Submission #1116143


Source Code Expand

#include<cstdio>
#define N 100010
using namespace std;

int n;
char s[N];
int a[N];

void print(){
	for(int i=1;i<=n;i++) printf("%c",a[i]?'W':'S');
}

bool judge(int d,char c,int x,int y){
	if(d==0&&c=='o'&&x==y){return 1;}
	if(d==0&&c=='x'&&x!=y){return 1;}
	if(d==1&&c=='x'&&x==y){return 1;}
	if(d==1&&c=='o'&&x!=y){return 1;}
	return 0;
}

int main(){
	scanf("%d",&n);
	scanf("%s",s+1);
	for(int d0=0;d0<=1;d0++){
		for(int d1=0;d1<=1;d1++){
			a[1]=d0;a[2]=d1;
			for(int i=3;i<=n;i++){
				if(a[i-1]==0&&s[i-1]=='o') 
				a[i]=a[i-2];
				if(a[i-1]==0&&s[i-1]=='x') 
				a[i]=a[i-2]^1;
				if(a[i-1]==1&&s[i-1]=='x')
				 a[i]=a[i-2];
				if(a[i-1]==1&&s[i-1]=='o')
				 a[i]=a[i-2]^1;
			}
			if(judge(a[1],s[1],a[n],a[2])&&judge(a[n],s[n],a[n-1],a[1])){
				print();
				return 0;
			}
		}
	}
	printf("-1");
	return 0;
}

Submission Info

Submission Time
Task D - Menagerie
User st_nec
Language C++14 (GCC 5.4.1)
Score 500
Code Size 872 Byte
Status AC
Exec Time 4 ms
Memory 768 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:23:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s+1);
                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 16
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt, 00_example_03.txt
All 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 1 ms 128 KB
00_example_02.txt AC 1 ms 128 KB
00_example_03.txt AC 1 ms 128 KB
01.txt AC 2 ms 512 KB
02.txt AC 1 ms 384 KB
03.txt AC 1 ms 128 KB
04.txt AC 1 ms 128 KB
05.txt AC 3 ms 640 KB
06.txt AC 2 ms 640 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
09.txt AC 1 ms 128 KB
10.txt AC 1 ms 256 KB
11.txt AC 4 ms 768 KB
12.txt AC 4 ms 768 KB
13.txt AC 3 ms 768 KB