oj.uz

Submission #342912

# Submission time Handle Problem Language Result Execution time Memory
342912 2021-01-03T08:11:47 Z urd05 Village (BOI20_village) C++14
12 / 100
 49 ms 500 KB 
#include <bits/stdc++.h>
using namespace std;

int dist[10][10];
const int INF=10000;
vector<int> small(10);
vector<int> big(10);

int main(void) {
    int n;
    scanf("%d",&n);
    for(int i=0;i<n;i++) {
        for(int j=0;j<n;j++) {
            dist[i][j]=INF;
        }
        dist[i][i]=0;
    }
    for(int i=1;i<n;i++) {
        int u,v;
        scanf("%d %d",&u,&v);
        u--;
        v--;
        dist[u][v]=1;
        dist[v][u]=1;
    }
    for(int k=0;k<n;k++) {
        for(int i=0;i<n;i++) {
            for(int j=0;j<n;j++) {
                dist[i][j]=min(dist[i][j],dist[i][k]+dist[k][j]);
            }
        }
    }
    vector<int> v;
    for(int i=0;i<n;i++) {
        v.push_back(i);
    }
    int val=1;
    for(int i=1;i<=n;i++) {
        val*=i;
    }
    int mini=INF;
    int maxi=-INF;
    for(int i=0;i<val;i++) {
        int sum=0;
        next_permutation(v.begin(),v.end());
        bool flag=true;
        for(int j=0;j<n;j++) {
            if (v[j]==j) {
                flag=false;
                break;
            }
            sum+=dist[j][v[j]];
        }
        if (!flag) {
            continue;
        }
        if (sum<mini) {
            mini=sum;
            for(int j=0;j<n;j++) {
                small[j]=v[j];
            }
        }
        if (sum>maxi) {
            maxi=sum;
            for(int j=0;j<n;j++) {
                big[j]=v[j];
            }
        }
    }
    printf("%d %d\n",mini,maxi);
    for(int i=0;i<n;i++) {
        printf("%d ",small[i]+1);
    }
    printf("\n");
    for(int i=0;i<n;i++) {
        printf("%d ",big[i]+1);
    }
}

Compilation message

Village.cpp: In function 'int main()':
Village.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
Village.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |         scanf("%d %d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 5 ms 364 KB Output is correct
10 Correct 48 ms 372 KB Output is correct
11 Correct 49 ms 372 KB Output is correct
12 Correct 49 ms 364 KB Output is correct
13 Correct 49 ms 364 KB Output is correct
14 Correct 49 ms 364 KB Output is correct
15 Correct 49 ms 364 KB Output is correct
16 Correct 48 ms 364 KB Output is correct
17 Correct 49 ms 364 KB Output is correct

Subtask #2
0.0 / 38.0

# Verdict Execution time Memory Grader output
1 Runtime error 23 ms 500 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 5 ms 364 KB Output is correct
10 Correct 48 ms 372 KB Output is correct
11 Correct 49 ms 372 KB Output is correct
12 Correct 49 ms 364 KB Output is correct
13 Correct 49 ms 364 KB Output is correct
14 Correct 49 ms 364 KB Output is correct
15 Correct 49 ms 364 KB Output is correct
16 Correct 48 ms 364 KB Output is correct
17 Correct 49 ms 364 KB Output is correct
18 Runtime error 23 ms 500 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -