oj.uz

Submission #62355

# Submission time Handle Problem Language Result Execution time Memory
62355 2018-07-28T08:31:51 Z gusfring Bitaro’s Party (JOI18_bitaro) C++14
14 / 100
 2000 ms 6780 KB 
#include <cstdio>
#include <vector>
using namespace std;
 
vector<int> al[100009];
int dp[100009];
bool busy[100009];
 
int main(){
    int N, M, Q;
    scanf("%d %d %d", &N, &M, &Q);
    for (int i = 0; i < M; i++){
        int s, e;
        scanf("%d %d", &s, &e);
        al[s].push_back(e);
    }
    for (int q = 0; q < Q; q++){
        int t,  y;
        scanf("%d %d", &t, &y);
        for (int i = 0; i < y; i++){
            int x;
            scanf("%d", &x);
            busy[x] = true;
        }
        int ans = -1;
        dp[t] = 0;
        if (!busy[t]) ans = 0;
        for (int i = t-1; i >= 1; i--){
            dp[i] = -1;
            for (vector<int>::iterator j = al[i].begin(); j != al[i].end(); j++){
                if (*j <= t && dp[*j] != -1) dp[i] = max(dp[i], dp[*j]+1);
            }
            if (!busy[i]) ans = max(ans,dp[i]);
        }
        printf("%d\n", ans);
        for (int i = 1; i <= N; i++) busy[i] = false;
    }
}

Compilation message

bitaro.cpp: In function 'int main()':
bitaro.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &N, &M, &Q);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bitaro.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &s, &e);
         ~~~~~^~~~~~~~~~~~~~~~~
bitaro.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &t, &y);
         ~~~~~^~~~~~~~~~~~~~~~~
bitaro.cpp:22:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &x);
             ~~~~~^~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2684 KB Output is correct
2 Correct 4 ms 2684 KB Output is correct
3 Correct 4 ms 2824 KB Output is correct
4 Correct 5 ms 2824 KB Output is correct
5 Correct 5 ms 2824 KB Output is correct
6 Correct 5 ms 2824 KB Output is correct
7 Correct 5 ms 2864 KB Output is correct
8 Correct 5 ms 2884 KB Output is correct
9 Correct 5 ms 2896 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct
11 Correct 5 ms 2924 KB Output is correct
12 Correct 5 ms 2928 KB Output is correct
13 Correct 5 ms 2928 KB Output is correct
14 Correct 5 ms 2940 KB Output is correct
15 Correct 5 ms 2940 KB Output is correct
16 Correct 5 ms 2940 KB Output is correct
17 Correct 5 ms 2940 KB Output is correct
18 Correct 6 ms 3004 KB Output is correct
19 Correct 5 ms 3004 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2684 KB Output is correct
2 Correct 4 ms 2684 KB Output is correct
3 Correct 4 ms 2824 KB Output is correct
4 Correct 5 ms 2824 KB Output is correct
5 Correct 5 ms 2824 KB Output is correct
6 Correct 5 ms 2824 KB Output is correct
7 Correct 5 ms 2864 KB Output is correct
8 Correct 5 ms 2884 KB Output is correct
9 Correct 5 ms 2896 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct
11 Correct 5 ms 2924 KB Output is correct
12 Correct 5 ms 2928 KB Output is correct
13 Correct 5 ms 2928 KB Output is correct
14 Correct 5 ms 2940 KB Output is correct
15 Correct 5 ms 2940 KB Output is correct
16 Correct 5 ms 2940 KB Output is correct
17 Correct 5 ms 2940 KB Output is correct
18 Correct 6 ms 3004 KB Output is correct
19 Correct 5 ms 3004 KB Output is correct
20 Correct 52 ms 4092 KB Output is correct
21 Correct 49 ms 4092 KB Output is correct
22 Correct 48 ms 4096 KB Output is correct
23 Correct 50 ms 4096 KB Output is correct
24 Correct 100 ms 5640 KB Output is correct
25 Correct 96 ms 5640 KB Output is correct
26 Correct 104 ms 5640 KB Output is correct
27 Correct 95 ms 6656 KB Output is correct
28 Correct 90 ms 6656 KB Output is correct
29 Correct 93 ms 6724 KB Output is correct
30 Correct 93 ms 6724 KB Output is correct
31 Correct 86 ms 6724 KB Output is correct
32 Correct 85 ms 6724 KB Output is correct
33 Correct 98 ms 6724 KB Output is correct
34 Correct 103 ms 6724 KB Output is correct
35 Correct 103 ms 6724 KB Output is correct
36 Correct 98 ms 6780 KB Output is correct
37 Correct 100 ms 6780 KB Output is correct
38 Correct 96 ms 6780 KB Output is correct

Subtask #3
0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2684 KB Output is correct
2 Correct 4 ms 2684 KB Output is correct
3 Correct 4 ms 2824 KB Output is correct
4 Correct 5 ms 2824 KB Output is correct
5 Correct 5 ms 2824 KB Output is correct
6 Correct 5 ms 2824 KB Output is correct
7 Correct 5 ms 2864 KB Output is correct
8 Correct 5 ms 2884 KB Output is correct
9 Correct 5 ms 2896 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct
11 Correct 5 ms 2924 KB Output is correct
12 Correct 5 ms 2928 KB Output is correct
13 Correct 5 ms 2928 KB Output is correct
14 Correct 5 ms 2940 KB Output is correct
15 Correct 5 ms 2940 KB Output is correct
16 Correct 5 ms 2940 KB Output is correct
17 Correct 5 ms 2940 KB Output is correct
18 Correct 6 ms 3004 KB Output is correct
19 Correct 5 ms 3004 KB Output is correct
20 Correct 52 ms 4092 KB Output is correct
21 Correct 49 ms 4092 KB Output is correct
22 Correct 48 ms 4096 KB Output is correct
23 Correct 50 ms 4096 KB Output is correct
24 Correct 100 ms 5640 KB Output is correct
25 Correct 96 ms 5640 KB Output is correct
26 Correct 104 ms 5640 KB Output is correct
27 Correct 95 ms 6656 KB Output is correct
28 Correct 90 ms 6656 KB Output is correct
29 Correct 93 ms 6724 KB Output is correct
30 Correct 93 ms 6724 KB Output is correct
31 Correct 86 ms 6724 KB Output is correct
32 Correct 85 ms 6724 KB Output is correct
33 Correct 98 ms 6724 KB Output is correct
34 Correct 103 ms 6724 KB Output is correct
35 Correct 103 ms 6724 KB Output is correct
36 Correct 98 ms 6780 KB Output is correct
37 Correct 100 ms 6780 KB Output is correct
38 Correct 96 ms 6780 KB Output is correct
39 Execution timed out 2020 ms 6780 KB Time limit exceeded
40 Halted 0 ms 0 KB -