제출 #973665

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
973665		RaresFelix	Food Court (JOI21_foodcourt)	C++17	2 / 100	1058 ms	524288 KiB

foodcourt

#include <bits/stdc++.h>

using namespace std;

#define int ll
using ll = long long;
using vi = vector<int>;
using vll = vector<ll>;
using ii = pair<ll, ll>;

signed main() {
    int n, m, q;
    cin >> n >> m >> q;
    vector<deque<int> > V(n);
    for (int i = 0; i < q; ++i) {
        int tip;
        cin >> tip;
        if (tip == 1) {
            int l, r, c, k;
            cin >> l >> r >> c >> k;
            --l; --r;
            for(int j = l; j <= r; ++j) {
                for(int w = 0; w < k; ++w) V[j].push_back(c);
            }
        } else if (tip == 2) {
            int l, r, k;
            cin >> l >> r >> k;
            --l; --r;
            for(int j = l; j <= r; ++j) {
                for(int w = 0; w < k; ++w)
                    if(!V[j].empty()) V[j].pop_front();
            }
        } else {
            int a, b;
            cin >> a >> b;
            --a; --b;
            int re = 0;
            if(V[a].size() > b) re = V[a][b];
            cout << re << "\n";
        }
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:38:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   38 |             if(V[a].size() > b) re = V[a][b];
      |                ~~~~~~~~~~~~^~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 5
• Subtask 3: 0 / 7
• Subtask 4: 0 / 21
• Subtask 5: 0 / 15
• Subtask 6: 0 / 13
• Subtask 7: 0 / 26
• Subtask 8: 0 / 11