Submission #1356147

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Source Code Expand

#include <bits/stdc++.h>

#define lld long long
#define pp pair<int,int>
#define y1 y11
#define INF 1000000000
#define pb push_back

using namespace std;

int N;
int a[5][100002],ans[5][100002];
int wherex[300002],wherey[300002];
int cnt[100002];

void impossible(){
	puts("No");
	exit(0);
}

int main(){
	int x;
	scanf("%d",&N);
	for(int i=1; i<=3; i++){
		for(int j=1; j<=N; j++){
			scanf("%d",&a[i][j]);
			wherex[a[i][j]] = i;
			wherey[a[i][j]] = j;
			ans[i][j] = j*3+i-3;
		}
	}
	for(int i=1; i<=N; i++){
		if(wherex[ans[2][i]] != 2) impossible();
		if(abs(i-wherey[ans[2][i]])%2 != 0) impossible();
	}
	for(int i=1; i<=N; i++){
		int cnt = abs((a[2][i]+1)/3-i)/2;
		if(a[1][i] == a[2][i]-1 && a[3][i] == a[2][i]+1){
			if(cnt%2 == 1) impossible();
		}else if(a[1][i] == a[2][i]+1 && a[3][i] == a[2][i]-1){
			if(cnt%2 == 0) impossible();
		}else impossible();
	}
	puts("Yes");

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
                ^
./Main.cpp:26:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&a[i][j]);
                        ^

Judge Result