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Submission #815833

# Submission time Handle Problem Language Result Execution time Memory
815833 2023-08-09T00:52:44 Z devariaota Lasers (NOI19_lasers) C++17
24 / 100
 74 ms 6052 KB 
#include<bits/stdc++.h>
#define int long long
#define pii pair<int, int>
using namespace std;
const int MOD=1e9+7;
signed main() {
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int len, n; cin >> len >> n;
  int mx=0;
  while(n--) {
    int x; cin >> x;
    cin >> x;
    mx=max(mx, x);
  }
  if(mx>len/2) mx=2*mx-len;
  else mx=0;
  cout << mx << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 74 ms 6052 KB Output is correct
13 Correct 0 ms 316 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 74 ms 6044 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 320 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 74 ms 6052 KB Output is correct
13 Correct 0 ms 316 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 74 ms 6044 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Incorrect 1 ms 336 KB Output isn't correct
22 Halted 0 ms 0 KB -