oj.uz

답안 #152963

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
152963 2019-09-10T20:18:10 Z hdj79 Kronican (COCI16_kronican) C++14
10 / 100
 2 ms 376 KB 
#include<iostream>
using namespace std;
int root(int x,int parent[]){
    if(x==parent[x]) return x;
    parent[x]=root(parent[x],parent);
    return parent[x];
}
int main(){
    ios_base :: sync_with_stdio(false);
    cin.tie(NULL);
    int n,k;
    cin>>n>>k;
    int parent[n];
    int graf [n][n];
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin>>graf[i][j];
        }
        parent[i]=i;
    }
    int skupine=n;
    int sol=0;
    int myn=999999999;
    int indx1=0;
    int indx2=0;
    while(skupine>k){
        int myn=999999999;
        int indx1=0;
        int indx2=0;
        for(int i=0;i<n;i++){
            for(int j=0;j<n;j++){
                if(i==j) continue;
                if(root(i,parent)!=root(j,parent)){
                  if(graf[i][j]<myn){
                    myn=graf[i][j];
                    indx1=i;
                    indx2=j;
                  }
                }
            }
        }
        parent[indx1]=parent[indx2];
        sol+=myn;
        skupine--;
    }
    cout<<sol;
}

Compilation message

kronican.cpp: In function 'int main()':
kronican.cpp:23:9: warning: unused variable 'myn' [-Wunused-variable]
     int myn=999999999;
         ^~~
kronican.cpp:24:9: warning: unused variable 'indx1' [-Wunused-variable]
     int indx1=0;
         ^~~~~
kronican.cpp:25:9: warning: unused variable 'indx2' [-Wunused-variable]
     int indx2=0;
         ^~~~~

Subtask #1
10.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Incorrect 2 ms 376 KB Output isn't correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Incorrect 2 ms 376 KB Output isn't correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Incorrect 2 ms 376 KB Output isn't correct
10 Incorrect 2 ms 376 KB Output isn't correct