Submission #571046

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>
int main(void){
    // Here your code !
    char str[12];
    fgets(str,sizeof(str),stdin);
    int inp = atoi(str);
    int a[100000] = {0,0,1};
    int i;
    for(i = 3; i < inp; i++){
        a[i] = a[i-1] + a[i-2] + a[i-3];
        a[i] = a[i] % 10007;
    }
    printf("%d\n", a[i-1]);
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result