Submission #22651652

Source Code Expand

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#include <stdio.h>
int N;
char S[500009], T[500009];
int a[500009], cntA = 0;
int b[500009], cntB = 0;
int main() {
  // Step #1. 入力
  scanf("%d", &N);
  scanf("%s", S);
  scanf("%s", T);
  // Step #2. a[i], b[i] を求める
  for (int i = 0; i < N; i++) {
    if (S[i] == '0') { a[cntA] = i; cntA += 1; }
    if (T[i] == '0') { b[cntB] = i; cntB += 1; }
  }
  // Step #3. 場合分け
  if (cntA != cntB) {
 
 
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#include <stdio.h>

int N;
char S[500009], T[500009];
int a[500009], cntA = 0;
int b[500009], cntB = 0;

int main() {
	// Step #1. 入力
	scanf("%d", &N);
	scanf("%s", S);
	scanf("%s", T);

	// Step #2. a[i], b[i] を求める
	for (int i = 0; i < N; i++) {
		if (S[i] == '0') { a[cntA] = i; cntA += 1; }
		if (T[i] == '0') { b[cntB] = i; cntB += 1; }
	}

	// Step #3. 場合分け
	if (cntA != cntB) {
		printf("-1\n");
		return 0;
	}

	// Step #4. 答えを計算し、出力する
	int Answer = 0;
	for (int i = 0; i < cntA; i++) {
		if (a[i] != b[i]) Answer += 1;
	}
	printf("%d\n", Answer);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:10:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   10 |  scanf("%d", &N);
      |  ^~~~~~~~~~~~~~~
./Main.c:11:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("%s", S);
      |  ^~~~~~~~~~~~~~
./Main.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   12 |  scanf("%s", T);
      |  ^~~~~~~~~~~~~~

Judge Result