题解 | #成绩排序#

#include<stdio.h>
int main(){
    int n, a[100], b[100];
    scanf("%d", &n);
    for (int i=0; i<n; i++)
        scanf("%d %d",&a[i], &b[i]);
    for (int i = 0; i<n-1; i++){
        for (int j = 0; j < n-i-1; j++){
            if(a[j]>a[j+1]){
                int t = a[j];
                a[j] = a[j+1];
                a[j+1] = t;
                t = b[j];
                b[j] = b[j+1];
                b[j+1] = t;
            }
        }
    }

     for (int i = 0; i<n-1; i++){
        for (int j = 0; j < n-i-1; j++){
            if(b[j]>b[j+1]){
                int t = a[j];
                a[j] = a[j+1];
                a[j+1] = t;
                t = b[j];
                b[j] = b[j+1];
                b[j+1] = t;
            }
        }
    }

    for (int i=0; i<n; i++)
        printf("%d %d\n", a[i], b[i]);
}