1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
#include <algorithm>
#include <map>
#include <vector>
#include <unordered_map>
#include <set>

#define LL long long
#define BIGMOD 1000012177LL
#define DNUM 31LL

#define K3DBG(X)

using namespace std;

struct pair_hash
{
	template <class T1, class T2>
	std::size_t operator() (const std::pair<T1, T2> &pair) const
	{
		return std::hash<T1>()(pair.first) ^ std::hash<T2>()(pair.second);
	}
};

class BitTree {
    public:
    LL *mData;
    int mN;
    BitTree(int n) : mN(n) {
        mData = new LL[mN+1]; 
        for (int i=0; i<=mN; i++) 
        {
            mData[i] = 0; 
        }
    }
    
    ~BitTree()
    {
        delete[] mData;
    }

    // Updates a node in Binary Index Tree (BITree) at given index 
    // in BITree. The given value 'val' is added to BITree[i] and 
    // all of its ancestors in tree. 
    void updateBIT(int index, LL val) 
    { 
        // index in BITree[] is 1 more than the index in arr[] 
        index = index + 1; 
    
        // Traverse all ancestors and add 'val' 
        while (index <= mN) 
        { 
            // Add 'val' to current node of BI Tree 
            mData[index] += val; 
    
            // Update index to that of parent in update View 
            index += index & (-index); 
        }
    } 
    LL getElem(int index)
    {
        LL res = getSum(index);
        // printf("bt::getElem(%d)=%lld\n", index, res);
        return res;
    }
    // SERVES THE PURPOSE OF getElement() 
    // Returns sum of arr[0..index]. This function assumes 
    // that the array is preprocessed and partial sums of 
    // array elements are stored in BITree[] 
    LL getSum(int index) 
    { 
        LL sum = 0; // Iniialize result 
    
        // index in BITree[] is 1 more than the index in arr[] 
        index = index + 1; 
    
        // Traverse ancestors of BITree[index] 
        while (index>0) 
        { 
            // Add current element of BITree to sum 
            sum += mData[index]; 
    
            // Move index to parent node in getSum View 
            index -= index & (-index); 
        } 
        return sum; 
    } 
  
    // Updates such that getElement() gets an increased 
    // value when queried from l to r. 
    void update(int l, int r, LL val) 
    { 
        // Increase value at 'l' by 'val' 
        updateBIT(l, val); 
    
        // Decrease value at 'r+1' by 'val' 
        updateBIT(r+1, -val); 
    } 

    void print() {
        printf("BitTree=");
        for (int i=0; i < mN; i++) {
            printf("%lld ", getElem(i));
        }
        printf("\n");
    }
};

class PresenceIndicator
{
    // TODO: w oparciu o drzewko licznikowe
    void mark(bool isPresent)
    {

    }
    int countDead(int left, int right)
    {
    }
    int countAlive(int left, int right)
    {

    }
};

class RangeSumSolver
{

    LL rangeSum(int left, int right)
    {
        return 0;
    }
};

#define ASSERT_EQ(X, Y) // { if (!(X == Y)) printf(#X " != " #Y); }
#define ASSERT_TRUE(X) // { if (!(X)) printf(#X " is false!"); }

void selftest()
{
    BitTree bt(100);
    bt.updateBIT(2,1);
    bt.updateBIT(4,1);
    bt.updateBIT(5, 2);
    bt.updateBIT(10,1);

    for (int i=0; i < 20; i++)
    {
        printf("%d %lld\n", i, bt.getElem(i));
    }
}

class Query {
public:
    const static int QUERY_TYPE_SZCZUPAK = 1;
    const static int QUERY_TYPE_DODAJ = 2;
    const static int QUERY_TYPE_USUN = 3;

    int queryType;
    LL wi;
    LL S, K;

    int arrIndex;
    int szprotkaIndex;

    Query() : queryType(0), wi(0), S(0), K(0), szprotkaIndex(-1)
    {}

    Query(int queryType, LL wi, int arrIndex) : queryType(queryType), wi(wi), S(0), K(0), szprotkaIndex(-1), arrIndex(arrIndex)
    {}

    Query(int queryType, LL S, LL K, int arrIndex) : queryType(queryType), wi(0), S(S), K(K), szprotkaIndex(-1), arrIndex(arrIndex)
    {}

    void print() const
    {
        if (queryType == 1)
        {
            printf("Query(qt:%d (%lld->%lld) [ai:%d,si:%d])", queryType, S, K, arrIndex, szprotkaIndex);
        }
        else
        {
            printf("Query(qt:%d (w:%lld) [ai:%d,si:%d])", queryType, wi, arrIndex, szprotkaIndex);
        }
    }
};

class Szprotka
{
public:
    LL waga;
    int arrIndex;
    int queryIndex;

    LL potencjalnaWaga; // dla szprotek jeszcze nie instniejacych

    Szprotka(LL waga, int arrIndex, int queryIndex, LL potencjalnaWaga) 
        : waga(waga), arrIndex(arrIndex), queryIndex(queryIndex), potencjalnaWaga(potencjalnaWaga)
    {}

    bool operator<(const Szprotka& peer)
    {
        if (waga == peer.waga) {
            return arrIndex < peer.arrIndex;
        }
        return waga < peer.waga;
    }

    void print() const
    {
        printf("Szp:(w=%lld", waga);
        if (queryIndex>=0)
        {
            printf(",q(%d)->%lld)", queryIndex, potencjalnaWaga);
        }
        else {
            printf(")");
        } 
    }

    void makeAlive()
    {
        if (waga != 0) printf("INCORRECT assumption: expected dead, got: alive\n");
        waga = potencjalnaWaga;
    }

    void makeDead() 
    {
        if (waga == 0) printf("INCORRECT assumption: expected Alive, got: dead");
        waga = 0;
    }
};

void print_szprotki(vector<Szprotka> &szprotki)
{
    printf("szprotki:\n");
    for (int i=0; i < szprotki.size(); i++)
    {
        szprotki[i].print();printf("\n");
    }
}

class SzczupakAttacker {
    static int alreadyProcessed[400100];
    static int alreadyProcessedCounter;
    static int jumpDown[400100];
public:
    const vector<Szprotka> &szprotki;
    LL S, K;
    SzczupakAttacker(const vector<Szprotka> &szprotki, LL S, LL K)
    : szprotki{szprotki}, S(S), K(K)
    {
        alreadyProcessedCounter++;
    }

    int moveSzczupak(int idx)
    {
        int p2 = 1;
        int lastOK = idx;
        int limit = szprotki.size();
        while (idx < limit && S > szprotki[idx].potencjalnaWaga)
        {
            while (idx + p2 < limit && S > szprotki[idx+p2].potencjalnaWaga)
            {
                lastOK = idx + p2;
                p2 *= 2;
            }
            idx++;
            if (lastOK > idx) idx = lastOK;
        }
        return idx;
    }

    LL attack(int initialSzprotkaIndex)
    {
        LL totalEatenCount = 0;
        LL totalEateanWeight = 0;
        LL szprotkiSize = szprotki.size();
        //printf("Szczupak rozmiar %lld zaczyna od szprotki %d\n", S, initialSzprotkaIndex);
        // To jest pierwsza, ktorej szczupak nie jest w stanie zjesc. Byc moze poza tablica (idx=szprotki.size())
        int szczupakPos = initialSzprotkaIndex;
        ASSERT_TRUE(szczupakPos >= 0);
        while (S < K)
        {
            int i = szczupakPos - 1;
            if (K - S <= 0) return totalEatenCount;

            LL diff = K - S;
            if (szczupakPos < szprotkiSize)
            {
                diff = min(diff, 1 + szprotki[szczupakPos].potencjalnaWaga - S);
            }

            LL localSum = 0;
            LL localEaten = 0;
            int initialPos = i;

            while (i >= 0 && localSum < diff)
            {
                if (alreadyProcessed[i] == alreadyProcessedCounter)
                {
                   int jump = jumpDown[i];
                    if (jump > i) 
                    {
                        jump = jumpDown[jump];
                    }
                    if (jump > 0 && jump < i)
                    {
                        i = jump;
                    }
                }
                const Szprotka &sp = szprotki[i];
                //printf("Trying szprotka %d ", i); sp.print(); printf("\n");

                if (sp.waga && alreadyProcessed[i] != alreadyProcessedCounter)
                {
                    localSum += sp.waga;
                    localEaten++;
                    alreadyProcessed[i] = alreadyProcessedCounter;
                    jumpDown[i] = initialPos;
                    //printf("Eaten szprotka "); sp.print(); printf("\n");
                }
                i--;
            }
            if (initialPos > 0)
            {
              alreadyProcessed[initialPos] = alreadyProcessedCounter;
              jumpDown[initialPos] = i;
            }
            
            S += localSum;
            // printf("new szczupak weight: %lld\n", S);

            // jesli nie urusl
            if (localSum == 0)
            {
                return -1;
            }

            szczupakPos = moveSzczupak(szczupakPos);
            
            totalEateanWeight += localSum;
            totalEatenCount += localEaten;
            // ASSERRT: S >= szprotki[idx].potencjalnaWaga lub idx == szprotki.size()
        }
        return totalEatenCount;
    }
};

int SzczupakAttacker::alreadyProcessed[400100] = {0};
int SzczupakAttacker::alreadyProcessedCounter = 1;
int SzczupakAttacker::jumpDown[400100] = {0};

void answerQueries(const vector<Query> &queries, vector<Szprotka> &szprotki)
{
    K3DBG(print_szprotki(szprotki));

    for (int i=0; i < queries.size(); i++)
    {
        const Query &q = queries[i];
        K3DBG(printf("Answering query Q=")); K3DBG(q.print()); K3DBG(printf("\n"));

        ASSERT_TRUE(q.szprotkaIndex >= 0);

        if (q.queryType == Query::QUERY_TYPE_SZCZUPAK)
        {
            K3DBG(printf("Szczupak %lld -> %lld\n", q.S, q.K));
            SzczupakAttacker szczupak(szprotki, q.S, q.K);
            printf("%lld\n", szczupak.attack(q.szprotkaIndex));
        }
        if (q.queryType == Query::QUERY_TYPE_DODAJ)
        {
            ASSERT_TRUE(q.szprotkaIndex >= 0);
            K3DBG(printf("wzbudzam szprotke %d do wagi %lld\n", q.szprotkaIndex, szprotki[q.szprotkaIndex].potencjalnaWaga));
            Szprotka &sp = szprotki[q.szprotkaIndex];
            sp.makeAlive();
            // TODO: increase BitIndexTree in element X
        }
        if (q.queryType == Query::QUERY_TYPE_USUN)
        {
            K3DBG(printf("zaznaczam szprotke %d jaka martwa\n", q.szprotkaIndex));
            Szprotka &sp = szprotki[q.szprotkaIndex];
            sp.makeDead();
            // add '0' to Binary BitTree (1 - szprotka alive, 0 - szprotka dead)
            // TODO: decrease BitIndexTree in element X
        }

        K3DBG(print_szprotki(szprotki));
    }
}

void process(vector<Query> &queries, vector<Szprotka> &szprotki)
{
    K3DBG(printf("After pre-processing. Processing queries:\n"));

    for (int i=0; i < queries.size(); i++)
    {
        Query q = queries[i];
        if (q.queryType==Query::QUERY_TYPE_DODAJ)
        {
            szprotki.push_back(Szprotka(q.wi, szprotki.size(), i, q.wi));
        }
    }
    sort(szprotki.begin(), szprotki.end());
    
    for (int i=0; i < szprotki.size(); i++)
    {
        szprotki[i].arrIndex = i;
        if (szprotki[i].queryIndex >= 0)
        {
            szprotki[i].waga = 0;
            queries[szprotki[i].queryIndex].szprotkaIndex = i;
        }
    }
    K3DBG(print_szprotki(szprotki));

    //unordered_map<pair<LL, int>, int> szprotkaIndexMap;
    unordered_map<LL, int> szprotkaFirstIndexMap;

    for (int i=0; i < szprotki.size(); i++)
    {
        Szprotka &sp = szprotki[i];
        if (szprotki[i].waga>0)
        {
            if (szprotkaFirstIndexMap.find(sp.waga) == szprotkaFirstIndexMap.end()) {
                szprotkaFirstIndexMap[sp.waga] = i;
            }
        }
    }

    vector<Szprotka> copySzprotki = szprotki;
    for (int i=0; i < queries.size(); i++)
    {
        Query &q = queries[i];
        //printf("pre-processing query %d type=%d\n", i, q.queryType);
        
        if (q.queryType == Query::QUERY_TYPE_DODAJ)
        {
            Szprotka &sp = copySzprotki[q.szprotkaIndex];
            sp.makeAlive();
            //printf("makeAlive szprotka w=%lld\n", sp.waga);
            if (szprotkaFirstIndexMap.find(sp.waga) == szprotkaFirstIndexMap.end()) {
                szprotkaFirstIndexMap[sp.waga] = q.szprotkaIndex;
            }
        }
        if (q.queryType==Query::QUERY_TYPE_USUN)
        {
            int idx = szprotkaFirstIndexMap[q.wi];
            //printf("found candidate at idx=%d ", idx); szprotki[idx].print(); printf("\n");
            // TODO: could be logaritmic here
            while (copySzprotki[idx].waga == 0) {
                //printf("increasing idx...\n");
                idx++;
            }
            //printf("Usun: q.wi=%lld szprotki[idx].waga=%lld\n", q.wi, szprotki[idx].waga);
            ASSERT_EQ(copySzprotki[idx].waga, q.wi);
            szprotkaFirstIndexMap[q.wi] = idx;
            
            q.szprotkaIndex = idx;
            copySzprotki[idx].makeDead();
        }
    }

    // printf("pre-process initial szczupak index\n");
    vector<Query> qrSzczupaki;
    for (int i=0; i < queries.size(); i++)
    {
        Query &q = queries[i];
        if (q.queryType == Query::QUERY_TYPE_SZCZUPAK) 
        {
            qrSzczupaki.push_back(q);
        }
    }
    sort(qrSzczupaki.begin(), qrSzczupaki.end(), [](const Query& lhs, Query& rhs){
        return lhs.S < rhs.S;
    });

    int si = 0;
    for (int j=0; j < qrSzczupaki.size(); j++)
    {
        Query &q = qrSzczupaki[j];
        while (si < szprotki.size() && szprotki[si].potencjalnaWaga < q.S)
        {
            si++;
        }
        queries[q.arrIndex].szprotkaIndex = si;
    }
    
    // TODO:
    answerQueries(queries, szprotki);
}

int main()
{
    // selftest();

    vector<Szprotka> szprotki;
    LL n;
    scanf("%lld",&n);
    for (int i=0; i < n; i++)
    {
        LL wi;
        scanf("%lld", &wi);
        szprotki.push_back(Szprotka(wi, i, -1, wi));
    }

    LL qs;
    vector<Query> queries;
    (void)scanf("%lld", &qs);
    for (int i=0; i < qs; i++)
    {
        int queryType;
        (void)scanf("%d", &queryType);
        switch (queryType)
        {
            case 1: {
                LL  szczupakK, szczupakS;
                (void)scanf("%lld%lld", &szczupakS, &szczupakK);
                queries.push_back(Query(1, szczupakS, szczupakK, i));
                break;
            }
            case 2:{
                LL wi;
                (void)scanf("%lld", &wi);
                queries.push_back(Query(2, wi, i));
                break;
            }
            case 3:{
                LL wi;
                (void)scanf("%lld", &wi);
                queries.push_back(Query(3, wi, i));
                break;
            }
        }
    }

    process(queries, szprotki);

    return 0;
}