Submission #929718

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Source Code Expand

#include<stdio.h>

long ruijo(long n, long k){
if(k == 0) return 1;
else return n*ruijo(n,k-1);
}

int main(void){

long N, K;

scanf("%ld %ld",&N, &K);

printf("%ld", K*ruijo(K-1,N-1));

return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:12:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%ld %ld",&N, &K);
 ^

Judge Result