oj.uz

Submission #155508

# Submission time Handle Problem Language Result Execution time Memory
155508 2019-09-28T19:59:13 Z karma Garage (IOI09_garage) C++14
100 / 100
 4 ms 504 KB 
#include<bits/stdc++.h>
#define Task     "test"
#define pb       emplace_back

using namespace std;

const int N = 2002;

int w[N], r[N], n, m, res, id, pos[N];
priority_queue<int, vector<int>, greater<int>> pq;
queue<int> q;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    if(fopen(Task".inp", "r")) {
        freopen(Task".inp", "r", stdin);
        freopen(Task".out", "w", stdout);
    }
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) cin >> r[i], pq.push(i);
    for(int i = 1; i <= m; ++i) cin >> w[i];
    for(int i = 1; i <= 2 * m; ++i) {
        cin >> id;
        if(id > 0) q.push(id);
        else pq.push(pos[-id]);
        while(pq.size() && q.size()) {
            id = q.front(); q.pop();
            pos[id] = pq.top(); pq.pop();
            res += w[id] * r[pos[id]];
        }
    }
    cout << res;
}

Compilation message

garage.cpp: In function 'int main()':
garage.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen(Task".inp", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
garage.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen(Task".out", "w", stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 296 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 424 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct