Submission #1371029

---

Source Code Expand

#include <bits/stdc++.h>

#define lld long long
#define pp pair<int,int>
#define pb push_back
#define MOD 1000000007
#define left lleft
#define right rright
#define INF 2000000000
#define Linf 1000000000000000000LL
#define next nnext
#define minus mminus

using namespace std;

int N,M,Q,ans;
int sum1[100010],sum2[100010];
char s1[100010],s2[100010];

int change(pp x){
	if(x.first == x.second) return 0;
	if(x == pp(0,1) || x == pp(2,0) || x == pp(1,2)) return 1;
	return 2;
}

int main(){
	scanf("%s %s",s1,s2);
	N = strlen(s1); M = strlen(s2);
	for(int i=1; i<=N; i++){
		sum1[i] = sum1[i-1];
		if(s1[i-1] == 'A') sum1[i]++;
	}
	for(int i=1; i<=M; i++){
		sum2[i] = sum2[i-1];
		if(s2[i-1] == 'A') sum2[i]++;
	}
	scanf("%d",&Q);
	for(int i=1; i<=Q; i++){
		int s1,e1,s2,e2;
		scanf("%d %d %d %d",&s1,&e1,&s2,&e2);
		int cnta1,cntb1,cnta2,cntb2;
		cnta1 = sum1[e1]-sum1[s1-1];
		cntb1 = (e1-s1+1)-cnta1;
		cnta2 = sum2[e2]-sum2[s2-1];
		cntb2 = (e2-s2+1)-cnta2;
		cnta1 %= 3; cntb1 %= 3; cnta2 %= 3; cntb2 %= 3;
		int cnt1,cnt2;
		cnt1 = change({cnta1,cntb1});
		cnt2 = change({cnta2,cntb2});
		if(cnt1 == 0){
			if(cnt2 == 0) ans = 1;
			else ans = 0;
		}else if(cnt1 == 1){
			if(cnt2 == 0) ans = 0;
			else ans = 1;
		}else{
			if(cnt2 == 2) ans = 1;
			else ans = 0;
		}
		if(ans == 1) puts("YES");
		else puts("NO");
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s %s",s1,s2);
                      ^
./Main.cpp:37:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&Q);
                ^
./Main.cpp:40:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d",&s1,&e1,&s2,&e2);
                                       ^

Judge Result