Submission #1335428

#	Time	Username	Problem	Language	Result	Execution time	Memory
1335428		SmuggingSpun	Inspections (NOI23_inspections)	C++20	11 / 100	6 ms	440 KiB

Main

#include<bits/stdc++.h>
#define taskname "B"
using namespace std;
typedef long long ll;
int n, m, q;
namespace sub1{
  void solve(){
    vector<int>l(m + 1), r(m + 1);
    for(int i = 1; i <= m; i++){
      cin >> l[i] >> r[i];
    }
    for(int _ = 0; _ < q; _++){
      ll s;
      int ans = 0;
      cin >> s;
      vector<int>last(n + 1, 0);
      for(int i = 1, day = 0; i <= m; i++){
        for(int j = l[i]; j <= r[i]; j++){
          if(last[j] != 0 && s + last[j] <= day){
            ans++;
          }
          last[j] = ++day;
        }
      }
      cout << ans << " ";
    }
  }
}
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
  cin >> n >> m >> q;
  if(max({n, m, q}) <= 200){
    sub1::solve();
  }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:32:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 23