oj.uz

Submission #38487

# Submission time Handle Problem Language Result Execution time Memory
38487 2018-01-04T10:03:22 Z alenam0161 Marriage questions (IZhO14_marriage) C++14
50 / 100
 1500 ms 3124 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e3+7;
vector<int> g[N],g1[N];
int n,m,k;
bool used[N];
int ma[N];
bool try_khun(int v){
    if(used[v]==true)return false;
    used[v]=true;
    for(auto to:g[v]){
        if(ma[to]==-1||try_khun(ma[to])){
            ma[to]=v;
            return true;
        }
    }
    return false;
}
int main(){
    memset(ma,-1,sizeof(ma));
    scanf("%d%d%d",&n,&m,&k);
    for(int i=1;i<=k;++i){
        int u,v;
        scanf("%d%d",&v,&u);
        g[v].push_back(u);
        g1[u].push_back(v);
    }
    int how=0;
    long long ans=0;
    for(int l=1;l<=n;++l)
    for(int r=l;r<=n;++r){
            how=0;
            memset(ma,-1,sizeof(ma));
            for(int j=l;j<=r;++j){
                memset(used,0,sizeof(used));
                how+=try_khun(j);
            }
            if(how==m)ans++;
    }
    cout<<ans<<endl;
    return 0;
}

Compilation message

marriage.cpp: In function 'int main()':
marriage.cpp:23:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&n,&m,&k);
                             ^
marriage.cpp:26:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&v,&u);
                            ^

Subtask #1
50.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2068 KB Output is correct
2 Correct 0 ms 2068 KB Output is correct
3 Correct 0 ms 2068 KB Output is correct
4 Correct 0 ms 2068 KB Output is correct
5 Correct 0 ms 2068 KB Output is correct
6 Correct 0 ms 2068 KB Output is correct
7 Correct 0 ms 2068 KB Output is correct
8 Correct 0 ms 2068 KB Output is correct
9 Correct 0 ms 2068 KB Output is correct
10 Correct 0 ms 2068 KB Output is correct
11 Correct 0 ms 2068 KB Output is correct
12 Correct 0 ms 2068 KB Output is correct
13 Correct 0 ms 2068 KB Output is correct
14 Correct 0 ms 2068 KB Output is correct
15 Correct 0 ms 2068 KB Output is correct
16 Correct 0 ms 2068 KB Output is correct
17 Correct 0 ms 2068 KB Output is correct
18 Correct 0 ms 2068 KB Output is correct
19 Correct 133 ms 2068 KB Output is correct
20 Correct 43 ms 2068 KB Output is correct
21 Correct 9 ms 2068 KB Output is correct
22 Correct 19 ms 2068 KB Output is correct
23 Correct 86 ms 2068 KB Output is correct
24 Correct 79 ms 2068 KB Output is correct
25 Execution timed out 1500 ms 2200 KB Execution timed out
26 Execution timed out 1500 ms 2068 KB Execution timed out
27 Correct 993 ms 2068 KB Output is correct
28 Execution timed out 1500 ms 2068 KB Execution timed out
29 Execution timed out 1500 ms 2200 KB Execution timed out
30 Execution timed out 1500 ms 2200 KB Execution timed out
31 Execution timed out 1500 ms 2596 KB Execution timed out
32 Execution timed out 1500 ms 2200 KB Execution timed out
33 Execution timed out 1500 ms 2068 KB Execution timed out
34 Execution timed out 1500 ms 2068 KB Execution timed out
35 Execution timed out 1500 ms 3124 KB Execution timed out
36 Execution timed out 1500 ms 3124 KB Execution timed out
37 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
38 Runtime error 13 ms 2860 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
40 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
41 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
42 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
43 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
44 Runtime error 3 ms 2200 KB Execution killed with signal 11 (could be triggered by violating memory limits)
45 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
46 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
47 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Runtime error 0 ms 2068 KB Execution killed with signal 11 (could be triggered by violating memory limits)