oj.uz

Submission #292710

# Submission time Handle Problem Language Result Execution time Memory
292710 2020-09-07T12:08:12 Z 반딧불(#5810) Express 20/19 (ROI19_express) C++17
24 / 100
 265 ms 28432 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int t;
int n, m, q, p;
vector<pair<int, ll> > link[500002];
set<int> st[5002];

int main(){
    scanf("%d", &t);
    while(t--){
        scanf("%d %d %d %d", &n, &m, &q, &p);
        for(int i=1; i<=n; i++) link[i].clear();
        for(int i=1; i<=m; i++){
            int x, y; ll d;
            scanf("%d %d %lld", &x, &y, &d);
            if(d > 5000) continue;
            link[x].push_back({y, d});
        }

        for(int i=1; i<=n; i++) st[i].clear();
        st[1].insert(0);
        for(int i=1; i<=n; i++){
            for(auto nxt: link[i]){
                for(auto v: st[i]){
                    if(v + nxt.second <= 5000) st[nxt.first].insert(v + nxt.second);
                }
            }
        }

        string s;
        for(int i=1; i<=q; i++){
            int f; ll r;
            scanf("%d %lld", &f, &r);
            auto it = st[f].lower_bound(r);
            if(it == st[f].end()){
                s.push_back('0');
                continue;
            }
            if(*it * (p-1) <= r * p) s.push_back('1');
            else s.push_back('0');
        }
        cout << s << endl;
    }
}

Compilation message

express.cpp: In function 'int main()':
express.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~
express.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 |         scanf("%d %d %d %d", &n, &m, &q, &p);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
express.cpp:19:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |             scanf("%d %d %lld", &x, &y, &d);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
express.cpp:37:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   37 |             scanf("%d %lld", &f, &r);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12288 KB Output is correct
2 Correct 8 ms 12288 KB Output is correct
3 Correct 9 ms 12288 KB Output is correct
4 Correct 8 ms 12288 KB Output is correct
5 Incorrect 16 ms 12288 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12288 KB Output is correct
2 Correct 9 ms 12288 KB Output is correct
3 Correct 8 ms 12288 KB Output is correct
4 Correct 10 ms 12416 KB Output is correct
5 Correct 9 ms 12288 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 8 ms 12288 KB Output is correct
8 Correct 9 ms 12288 KB Output is correct
9 Correct 8 ms 12288 KB Output is correct
10 Correct 13 ms 12544 KB Output is correct
11 Correct 36 ms 14968 KB Output is correct
12 Correct 13 ms 12672 KB Output is correct
13 Correct 102 ms 28432 KB Output is correct
14 Correct 13 ms 12288 KB Output is correct
15 Correct 13 ms 12288 KB Output is correct
16 Correct 13 ms 12288 KB Output is correct
17 Correct 15 ms 12416 KB Output is correct
18 Correct 12 ms 12288 KB Output is correct
19 Correct 18 ms 12544 KB Output is correct
20 Correct 12 ms 12288 KB Output is correct
21 Correct 15 ms 12416 KB Output is correct
22 Correct 13 ms 12928 KB Output is correct
23 Correct 15 ms 13312 KB Output is correct
24 Correct 21 ms 12672 KB Output is correct
25 Correct 21 ms 12672 KB Output is correct
26 Correct 40 ms 13176 KB Output is correct
27 Correct 27 ms 13568 KB Output is correct
28 Correct 11 ms 12288 KB Output is correct
29 Correct 11 ms 12288 KB Output is correct
30 Correct 11 ms 12288 KB Output is correct
31 Correct 11 ms 12416 KB Output is correct
32 Correct 10 ms 12416 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12288 KB Output is correct
2 Runtime error 265 ms 24952 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12288 KB Output is correct
2 Runtime error 265 ms 24952 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12288 KB Output is correct
2 Correct 8 ms 12288 KB Output is correct
3 Correct 9 ms 12288 KB Output is correct
4 Correct 11 ms 12288 KB Output is correct
5 Correct 9 ms 12320 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12288 KB Output is correct
8 Incorrect 9 ms 12416 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12288 KB Output is correct
2 Correct 8 ms 12288 KB Output is correct
3 Correct 9 ms 12288 KB Output is correct
4 Correct 11 ms 12288 KB Output is correct
5 Correct 9 ms 12320 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12288 KB Output is correct
8 Incorrect 9 ms 12416 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12288 KB Output is correct
2 Correct 8 ms 12288 KB Output is correct
3 Correct 9 ms 12288 KB Output is correct
4 Correct 8 ms 12288 KB Output is correct
5 Incorrect 16 ms 12288 KB Output isn't correct
6 Halted 0 ms 0 KB -