제출 #576463

#제출 시각아이디문제언어결과실행 시간메모리
576463MrM7mdFountain (eJOI20_fountain)C++17
0 / 100
1574 ms2316 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define endl "\n" const int MOD = 1e9 + 7; pair<int,int> a[100000]; signed main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,q; cin >> n>>q; for(int i=0;i<n;i++){ cin >> a[i].first>>a[i].second; } a[n]={INT_MAX,INT_MAX}; while(q--){ int r,v; cin >>r >> v; int cur=a[r-1].first; int ans; for(int i=r-1;i<=n;i++){ if(a[i].first>=cur){ cur=a[i].first; v-=a[i].second; if(v<=0) { ans=i; break; } } } if(ans==n)ans=-1; cout<<ans+1<<endl; } }

컴파일 시 표준 에러 (stderr) 메시지

fountain.cpp: In function 'int main()':
fountain.cpp:35:17: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |       cout<<ans+1<<endl;
      |                 ^
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