//Krzysztof Pieprzak #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef unsigned long long ull; typedef unsigned int uint; typedef vector<int> vi; typedef vector<ll> vll; typedef pair<int,int> pii; typedef pair<long long, long long> pll; typedef vector<pii> vpii; typedef vector<pll> vpll; #define Size(x) (int)x.size() #define VAR(v,n) auto v = (n) #define FOR(i,a,b) for(VAR(i,a); i < (b); ++i) #define FORE(i,a,b) for(VAR(i,a); i <= (b); ++i) #define FORREV(i,a,b) for(VAR(i,b); i >= (a); --i) #define FORSTEP(i,a,b,step) for(VAR(i,a); i < (b); i += (step)) #define FOREACH(i,c) for(auto i : (c)) #define FOREACHS(i,c,n) for(VAR(i,&(c)[0]); i-(c)<(n); ++i) #define ALL(x) x.begin(),x.end() #define CLEAR(t) memset(t, 0, sizeof(t)) #define F first #define S second #define MP make_pair #define PUB push_back #define POB pop_back #define pieprzu ios_base::sync_with_stdio(0); #define debugOn 0 #define debug(a,b) if (debugOn) cout << a << ": " << b << endl; const int INF = 1000000001; const double EPS = 10e-9; const int MAXN = 500000; pii t[MAXN + 5]; pair<int, bool> res[MAXN + 5]; char resS[MAXN + 5]; int n; bool check(int idx) { if (idx == 0 || (idx > 0 && t[0].F == t[idx].F)) { return false; } ll sum = t[idx].F; FOR (i, 0, idx) { sum += t[i].F; } FOR (i, idx + 1, n) { if (t[i].F >= sum) { return false; } sum += t[i].F; } return true; } void rob(int test) { scanf("%d", &n); int a; FOR (i, 0, n) { scanf("%d", &a); t[i] = MP(a, i); } sort(t, t + n); int bg = 0; int ed = n; int mid; bool result; while (bg < ed) { mid = (bg + ed) / 2; result = check(mid); if (result) { ed = mid; } else { bg = mid + 1; } } FOR (i, 0, n) { res[i] = MP(t[i].S, i >= ed); } sort(res, res + n); FOR (i, 0, n) { resS[i] = res[i].S ? 'T' : 'N'; } printf("%s\n", resS); } int main() { int test = 1; //scanf("%d", &test); FORE (i, 1, test) rob(i); return 0; }
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 | //Krzysztof Pieprzak #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef unsigned long long ull; typedef unsigned int uint; typedef vector<int> vi; typedef vector<ll> vll; typedef pair<int,int> pii; typedef pair<long long, long long> pll; typedef vector<pii> vpii; typedef vector<pll> vpll; #define Size(x) (int)x.size() #define VAR(v,n) auto v = (n) #define FOR(i,a,b) for(VAR(i,a); i < (b); ++i) #define FORE(i,a,b) for(VAR(i,a); i <= (b); ++i) #define FORREV(i,a,b) for(VAR(i,b); i >= (a); --i) #define FORSTEP(i,a,b,step) for(VAR(i,a); i < (b); i += (step)) #define FOREACH(i,c) for(auto i : (c)) #define FOREACHS(i,c,n) for(VAR(i,&(c)[0]); i-(c)<(n); ++i) #define ALL(x) x.begin(),x.end() #define CLEAR(t) memset(t, 0, sizeof(t)) #define F first #define S second #define MP make_pair #define PUB push_back #define POB pop_back #define pieprzu ios_base::sync_with_stdio(0); #define debugOn 0 #define debug(a,b) if (debugOn) cout << a << ": " << b << endl; const int INF = 1000000001; const double EPS = 10e-9; const int MAXN = 500000; pii t[MAXN + 5]; pair<int, bool> res[MAXN + 5]; char resS[MAXN + 5]; int n; bool check(int idx) { if (idx == 0 || (idx > 0 && t[0].F == t[idx].F)) { return false; } ll sum = t[idx].F; FOR (i, 0, idx) { sum += t[i].F; } FOR (i, idx + 1, n) { if (t[i].F >= sum) { return false; } sum += t[i].F; } return true; } void rob(int test) { scanf("%d", &n); int a; FOR (i, 0, n) { scanf("%d", &a); t[i] = MP(a, i); } sort(t, t + n); int bg = 0; int ed = n; int mid; bool result; while (bg < ed) { mid = (bg + ed) / 2; result = check(mid); if (result) { ed = mid; } else { bg = mid + 1; } } FOR (i, 0, n) { res[i] = MP(t[i].S, i >= ed); } sort(res, res + n); FOR (i, 0, n) { resS[i] = res[i].S ? 'T' : 'N'; } printf("%s\n", resS); } int main() { int test = 1; //scanf("%d", &test); FORE (i, 1, test) rob(i); return 0; } |