求特殊方程的正整数解

#include<stdio.h>
int main(){
    int n,i,j;
    scanf("%d",&n);
    int after=0;
    for(i=1;i<=100;i++){
        for(j=i;j<=100;j++){
            if(i*i+j*j==n){
                after=1;
                printf("%d %d\n",i,j);
            }
        }
    }
    if(after==0){
        printf("No Solution");
    }
    return 0;
}