oj.uz

Submission #38490

# Submission time Handle Problem Language Result Execution time Memory
38490 2018-01-04T10:04:36 Z alenam0161 Marriage questions (IZhO14_marriage) C++14
48 / 100
 129 ms 133092 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e2+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
48.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 129 ms 2020 KB Output is correct
20 Correct 39 ms 2020 KB Output is correct
21 Correct 3 ms 2020 KB Output is correct
22 Correct 19 ms 2020 KB Output is correct
23 Correct 79 ms 2020 KB Output is correct
24 Correct 53 ms 2020 KB Output is correct
25 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
26 Runtime error 3 ms 133092 KB Execution killed because of forbidden syscall gettid (186)
27 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
28 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
29 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
30 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
33 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
35 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
36 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
37 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
38 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
40 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
41 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
42 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
43 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
44 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
45 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
46 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
47 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Runtime error 0 ms 2020 KB Execution killed with signal 11 (could be triggered by violating memory limits)