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Submission #1008155

# Submission time Handle Problem Language Result Execution time Memory
1008155 2024-06-26T08:02:04 Z kebine Lasers (NOI19_lasers) C++17
0 / 100
 20 ms 16316 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"

const int MAXN = 1e6 + 5;
vector < int > freq ( MAXN, 0);
int n, q;

signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> n >> q;
    while ( q-- ){
        int k; cin >> k;
        int yes = n;
        int a[k + 5]; 
        for ( int i = 1; i <= k; i++){
            cin >> a[i];
        }

        sort ( a + 1, a + 1 + k, greater < int >());

        for ( int i = 1; i <= k; i++){
            for ( int j = max ( yes - a[i] + 1, 1ll ); j <= a[i]; j++){
                freq[j]++;
                ///cout << j << " ";
            }       
            yes -= a[i];
        }
    }

    int ans = 0;

    int l = 1, r = n;
    while ( l < r ){
        if ( freq[l] ) freq[r] = 1;
        l++; r--;
    }

    for ( int i = 1; i <= n; i++) if ( freq[i] ) ans++;

    cout << ans << endl;
    
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 16316 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 16316 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 9308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8280 KB Output is correct
2 Incorrect 2 ms 8284 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 9308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 16316 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -