#include <bits/stdc++.h> using namespace std; int n, q, x; long long w, s, k, suma, lic=1000000000000000007; multiset <long long> ms; multiset <long long> ::iterator it, it1, it2; vector <long long> v; void atak (long long s, long long k) { v.clear(); int czy = 0, czy1 = 0; int ile = 0; it = ms.lower_bound(s); it1 = it; it1--; while (s<k && czy1==0) { if (czy == 1 && s<=*it) { printf ("-1\n"); czy1 = 1; break; } if (s>*it) { it = ms.lower_bound(s); it1 = it; if (it1 == ms.begin()) czy=1; else { czy=0; it1--; } } else { ile++; s+=*it1; it2 = it1; if (it1 == ms.begin()) czy=1; else { czy=0; it1--; } v.push_back(*it2); ms.erase(it2); } } if (czy1 == 0) printf ("%d\n", ile); for (int i=0; i<v.size(); i++) ms.insert(v[i]); } int main () { scanf ("%d", &n); for (int i=0; i<n; i++) { scanf ("%lld", &w); ms.insert(w); suma += w; } ms.insert(lic); scanf ("%d", &q); for (int i=0; i<q; i++) { scanf ("%d", &x); switch (x) { case 1: { scanf ("%lld%lld", &s, &k); if (s+suma < k) printf ("-1\n"); else atak(s, k); break; } case 2: { scanf ("%lld", &w); ms.insert(w); suma += w; break; } case 3: { scanf ("%lld", &w); suma -= w; it = ms.find(w); ms.erase(it); break; } } } 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 | #include <bits/stdc++.h> using namespace std; int n, q, x; long long w, s, k, suma, lic=1000000000000000007; multiset <long long> ms; multiset <long long> ::iterator it, it1, it2; vector <long long> v; void atak (long long s, long long k) { v.clear(); int czy = 0, czy1 = 0; int ile = 0; it = ms.lower_bound(s); it1 = it; it1--; while (s<k && czy1==0) { if (czy == 1 && s<=*it) { printf ("-1\n"); czy1 = 1; break; } if (s>*it) { it = ms.lower_bound(s); it1 = it; if (it1 == ms.begin()) czy=1; else { czy=0; it1--; } } else { ile++; s+=*it1; it2 = it1; if (it1 == ms.begin()) czy=1; else { czy=0; it1--; } v.push_back(*it2); ms.erase(it2); } } if (czy1 == 0) printf ("%d\n", ile); for (int i=0; i<v.size(); i++) ms.insert(v[i]); } int main () { scanf ("%d", &n); for (int i=0; i<n; i++) { scanf ("%lld", &w); ms.insert(w); suma += w; } ms.insert(lic); scanf ("%d", &q); for (int i=0; i<q; i++) { scanf ("%d", &x); switch (x) { case 1: { scanf ("%lld%lld", &s, &k); if (s+suma < k) printf ("-1\n"); else atak(s, k); break; } case 2: { scanf ("%lld", &w); ms.insert(w); suma += w; break; } case 3: { scanf ("%lld", &w); suma -= w; it = ms.find(w); ms.erase(it); break; } } } return 0; } |