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Submission #938771

# Submission time Handle Problem Language Result Execution time Memory
938771 2024-03-05T14:13:14 Z vjudge1 Toll (BOI17_toll) C++17
7 / 100
 17 ms 1116 KB 
#include <bits/stdc++.h>
#include <random>
#define int long long
using namespace std;
const int inf = 1e9;
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int k,n,m,o;
    cin >> k >> n >> m >> o;
    
        vector<int> edges(n-1,inf);
        for (int i = 0; i < m; i++)
        {
            int a,b,c;
            cin >> a >> b >> c;
            
            edges[a] = c;
            
        }
        vector<int> pref_sum(n-1,0);
        pref_sum[0] = edges[0];
        for (int i = 1; i < n-1; i++)
            pref_sum[i] = pref_sum[i-1]+edges[i];
            
        auto sum = [&](int l,int r)
        {
          return pref_sum[r] - (l > 0 ? pref_sum[l-1] : 0LL);  
        };
        
        for (int i = 0; i < o; i++)
        {
            int a,b;
            cin >> a >> b;
            if (sum(a,b-1) >= inf)
                cout << -1 << '\n';
            else
                cout << sum(a,b-1) << '\n';
        }
    
  
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1112 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 11 ms 1116 KB Output is correct
9 Correct 11 ms 1116 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 1116 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1112 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 11 ms 1116 KB Output is correct
9 Correct 11 ms 1116 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct
11 Incorrect 17 ms 1116 KB Output isn't correct
12 Halted 0 ms 0 KB -