제출 #797173

#제출 시각아이디문제언어결과실행 시간메모리
797173vjudge1푸드 코트 (JOI21_foodcourt)C++17
2 / 100
8 ms4436 KiB
#include<bits/stdc++.h> using namespace std; using ll = long long; const int N = 2010; int n, m, q; deque<int> g[N]; int main() { ios::sync_with_stdio(0); cin.tie(0);cout.tie(0); cin >> n >> m >> q; if(n <= 2000 && q <= 2000) { for(int i = 0; i < q; i++) { int t; cin >> t; if(t == 1) { ll l, r, c, k; cin >> l >> r >> c >> k; for(int j = l; j <= r; j++) { g[j].push_back(c); } } if(t == 2) { ll l, r, k; cin >> l >> r >> k; for(int j = l; j <= r; j++) { if(!g[j].empty()) g[j].pop_front(); // while(!g[j].empty() && g[j].front().second <= k) { // k -= g[j].front().second; // g[j].pop_front(); // } // if(!g[j].empty()) // g[j][0].second -= k; } } if(t == 3) { ll a, b; cin >> a >> b; int ans = 0; // for(auto [c, k] : g[a]) { // if(b > k) b -= k; // else {ans = c; break;} // } if(g[a].size() >= b) ans = g[a][b - 1]; cout << ans << '\n'; } } return 0; } }

컴파일 시 표준 에러 (stderr) 메시지

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:49:32: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   49 |                 if(g[a].size() >= b) ans = g[a][b - 1];
      |                    ~~~~~~~~~~~~^~~~
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