Submission #3600

#TimeUsernameProblemLanguageResultExecution timeMemory
3600jihoonDivide into triangle (kriii1_D)C++98
1 / 1
0 ms1096 KiB
#include<stdio.h>
#define swap(aa,bb) {int cc;cc=aa;aa=bb;bb=cc;}
int a[900][3]={0};
int main(){
    int n;
    int i,j;
    scanf("%d",&n);
    for(i=1;i<=3*n;i++){
        scanf("%d %d",&a[i][0],&a[i][1]);
        a[i][2]=i;
    }
    for(i=1;i<=3*n;i++){
        for(j=i+1;j<=3*n;j++){
            if(a[i][0]>a[j][0]){
                swap(a[i][0],a[j][0]);
                swap(a[i][1],a[j][1]);
                swap(a[i][2],a[j][2]);
            }else if(a[i][0]==a[j][0]){
                if(a[i][1]>a[j][1]){
                    swap(a[i][0],a[j][0]);
                    swap(a[i][1],a[j][1]);
                    swap(a[i][2],a[j][2]);
                }
            }
        }
    }
    /*
    for(i=1;i<=3*n;i++){
        for(j=0;j<3;j++){
            printf("%d ",a[i][j]);
        }
        printf("\n");
    }
    */
    for(i=0;i<n;i++){
        for(j=0;j<3;j++){
            printf("%d ",a[i*3+j+1][2]);
        }
        printf("\n");
    }
    return 0;
}
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