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Submission #321915

# Submission time Handle Problem Language Result Execution time Memory
321915 2020-11-13T13:57:46 Z techiehere08 Lasers (NOI19_lasers) C++14
21 / 100
 1000 ms 3256 KB 
#include<bits/stdc++.h>

using namespace std;

int main(){
  int l, r;
  cin >> l >> r;
  int ans = 0;
  vector < vector < int >> v(r);
  for(int i = 0; i < r; i++){
    int n; cin >> n;
    while(n--){
      int x; cin >> x;
      v[i].push_back(x);
    }
  }
  for(int i = 1; i <= l; i++){
    bool ok = true;
    for(int j = 0; j < r; j++){
      int sum1 = 0, sum2 = 0;
      bool f = true;
      for(int x : v[j]){
        if(sum1 + x < i && f){
          sum1 += x;
        }
        else{
          f = false;
          sum2 += x;
        }
      }
      //cout << i << " " << j << " " << sum1 << " " << sum2 << endl;
      if(l - i < sum2){
        ok = false;
      }
      if(!ok) {
        //cout << "break for " << i << " " << j << endl;
        break;
      }
    }
    if(ok) ans++;
  }
  cout << l - ans << endl;
  return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 364 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 364 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1091 ms 3256 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 372 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1091 ms 3256 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 364 KB Time limit exceeded
2 Halted 0 ms 0 KB -