#include <iostream> #include <sstream> #include <fstream> #include <string> #include <vector> #include <queue> #include <algorithm> #include <map> #include <set> #include <bitset> using namespace std; typedef unsigned long long LL; #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define ABS(val) ((val) < 0 ? -(val) : (val)) #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define PB push_back #define ST first #define ND second #define M 1000000007ULL /* PA2019 "SIS" */ struct classcomp { bool operator() (const LL& lhs, const LL& rhs) const {return lhs>rhs;} }; void solve (multiset<LL, classcomp> pond, LL s, LL k) { #if 0 printf ("Size %d, s: %lld, k: %lld\n", pond.size(), s, k); FOREACH(v, pond) printf("%lld ", *v); printf("\n"); #endif int i = 0; multiset<LL, classcomp>::iterator it; while (s < k) { it = pond.upper_bound(s); if (it == pond.end()) { i = -1; break; } i++; s += *it; pond.erase(it); } printf("%d\n", i); } LL tmp [310000]; int main() { int n; scanf("%d\n", &n); REP(i, n) { scanf("%lld", &tmp[i]); } multiset<LL, classcomp> s (tmp, tmp + n); multiset<LL, classcomp>::iterator it; int cas; scanf("%d", &cas); REP(i, cas) { int mod; scanf ("%d",&mod); //printf ("Case %d, (Size %d)\n", i, s.size()); if (mod == 2) { LL r; scanf("%lld", &r); s.insert(r); } else if (mod == 3) { LL r; scanf("%lld", &r); it = s.find(r); s.erase(it); } else { LL ss, k; scanf("%lld %lld", &ss, &k); solve(s, ss, k); } } 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | #include <iostream> #include <sstream> #include <fstream> #include <string> #include <vector> #include <queue> #include <algorithm> #include <map> #include <set> #include <bitset> using namespace std; typedef unsigned long long LL; #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define ABS(val) ((val) < 0 ? -(val) : (val)) #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define PB push_back #define ST first #define ND second #define M 1000000007ULL /* PA2019 "SIS" */ struct classcomp { bool operator() (const LL& lhs, const LL& rhs) const {return lhs>rhs;} }; void solve (multiset<LL, classcomp> pond, LL s, LL k) { #if 0 printf ("Size %d, s: %lld, k: %lld\n", pond.size(), s, k); FOREACH(v, pond) printf("%lld ", *v); printf("\n"); #endif int i = 0; multiset<LL, classcomp>::iterator it; while (s < k) { it = pond.upper_bound(s); if (it == pond.end()) { i = -1; break; } i++; s += *it; pond.erase(it); } printf("%d\n", i); } LL tmp [310000]; int main() { int n; scanf("%d\n", &n); REP(i, n) { scanf("%lld", &tmp[i]); } multiset<LL, classcomp> s (tmp, tmp + n); multiset<LL, classcomp>::iterator it; int cas; scanf("%d", &cas); REP(i, cas) { int mod; scanf ("%d",&mod); //printf ("Case %d, (Size %d)\n", i, s.size()); if (mod == 2) { LL r; scanf("%lld", &r); s.insert(r); } else if (mod == 3) { LL r; scanf("%lld", &r); it = s.find(r); s.erase(it); } else { LL ss, k; scanf("%lld %lld", &ss, &k); solve(s, ss, k); } } return 0; } |