Submission #2115999

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define SZ(v) ((int)(v).size())
#define ALL(v) (v).begin(),(v).end()
#define one first
#define two second
typedef long long ll;
typedef pair<int, int> pi;
const int INF = 0x3f2f1f0f;
const ll LINF = 1ll * INF * INF;

const int MAX_N = 1e5 + 10;

int N[2]; char Ns[2][MAX_N];
int As[2][MAX_N], Bs[2][MAX_N];
int main() {
	scanf("%s%s", Ns[0]+1, Ns[1]+1);
	for(int k=0; k<2; k++) {
		N[k] = strlen(Ns[k]+1);
		for(int i=1; i<=N[k]; i++) {
			As[k][i] = As[k][i-1] + (Ns[k][i] == 'A');
			Bs[k][i] = Bs[k][i-1] + (Ns[k][i] == 'B');
		}
	}

	int Q; cin >> Q;
	while(Q--) {
		int l[2], r[2]; scanf("%d%d%d%d", &l[0], &r[0], &l[1], &r[1]);
		int cnt[2];
		for(int k=0; k<2; k++) {
			cnt[k] = 0;
			cnt[k] += (As[k][r[k]] - As[k][l[k]-1]);
			cnt[k] += (Bs[k][r[k]] - Bs[k][l[k]-1]) * 2;
			cnt[k] %= 3;
		}
		if(cnt[0] == cnt[1]) puts("YES"); else puts("NO");
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s%s", Ns[0]+1, Ns[1]+1);
                                 ^
./Main.cpp:30:64: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int l[2], r[2]; scanf("%d%d%d%d", &l[0], &r[0], &l[1], &r[1]);
                                                                ^

Judge Result