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Submission #705347

# Submission time Handle Problem Language Result Execution time Memory
705347 2023-03-04T05:10:34 Z ToroTN Bosses (BOI16_bosses) C++14
100 / 100
 614 ms 632 KB 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
int n,m,sub,d[5005],u,type,sum,ans=1e9;
vector<int> v[5005];
queue<int> q;
int main()
{
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&m);
        for(int j=1;j<=m;j++)
        {
            scanf("%d",&sub);
            v[sub].pb(i);
        }
    }
    for(int i=1;i<=n;i++)
    {
        memset(d,-1,sizeof d);
        d[i]=1;
        q.push(i);
        while(!q.empty())
        {
            u=q.front();
            q.pop();
            for(auto node:v[u])
            {
                if(d[node]==-1)
                {
                    d[node]=d[u]+1;
                    q.push(node);
                }
            }
        }
        sum=0;
        type=0;
        for(int j=1;j<=n;j++)
        {
            if(d[j]==-1)type=-1;
            sum+=d[j];
        }
        if(type==0)
        {
            ans=min(ans,sum);
        }
    }
    printf("%d\n",ans);
}

Compilation message

bosses.cpp: In function 'int main()':
bosses.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
bosses.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%d",&m);
      |         ~~~~~^~~~~~~~~
bosses.cpp:15:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |             scanf("%d",&sub);
      |             ~~~~~^~~~~~~~~~~

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 416 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 416 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 6 ms 432 KB Output is correct
13 Correct 4 ms 468 KB Output is correct
14 Correct 131 ms 532 KB Output is correct
15 Correct 23 ms 468 KB Output is correct
16 Correct 496 ms 596 KB Output is correct
17 Correct 610 ms 632 KB Output is correct
18 Correct 614 ms 596 KB Output is correct