提出 #1548061

---

ソースコード 拡げる

#include <stdio.h>

#define MAX_N 52
#define MOD 1000000007

int main(){
	int N,i = 0;
	long long int ans;
	char s1[MAX_N], s2[MAX_N];
	int before;

	scanf("%d", &N);
	scanf("%s", s1);
	scanf("%s", s2);

	if(s1[i] == s2[i]){
		ans = 3;
		before = 0;
		i += 1;
	} else {
		ans = 6;
		before = 1;
		i += 2;
	}

	while(i < N){
		if(s1[i] == s2[i]){
			if(before == 0){
				ans = (ans*2) % MOD;
			} else {
				ans = (ans*1) % MOD;
			}
			before = 0;
			i += 1;
		} else {
			if(before == 0){
				ans = (ans*2) % MOD;
			} else {
				ans = (ans*3) % MOD;
			}
			before = 1;
			i += 2;
		}
	}

	printf("%lld\n", ans);

	return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
./Main.cpp:13:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s1);
                 ^
./Main.cpp:14:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s2);
                 ^

ジャッジ結果