Submission #1115952

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Source Code Expand

#include <stdio.h>
int a[100010];
char c[100010];
int main(){
    int i,j,k,l,n;
    scanf("%d%s",&n,c+1);
    for(i=0;i<2;++i){
        a[1]=i;
        for(j=0;j<2;++j){
            a[2]=j;
            for(k=0;k<2;++k){
                a[3]=k;
                for(l=3;l<n;++l){
                    if(a[l]){
                        if(c[l]=='o')a[l+1]=a[l-1];
                        else a[l+1]=!a[l-1];
                    }
                    else{
                        if(c[l]=='o')a[l+1]=!a[l-1];
                        else a[l+1]=a[l-1];
                    }
                }
                a[0]=a[n],a[n+1]=a[1];
                for(l=1;l<=n;++l){
                    if(a[l]){
                        if(c[l]=='o'&&a[l-1]!=a[l+1])break;
                        if(c[l]=='x'&&a[l-1]==a[l+1])break;
                    }
                    else{
                        if(c[l]=='o'&&a[l-1]==a[l+1])break;
                        if(c[l]=='x'&&a[l-1]!=a[l+1])break;
                    }
                }
                if(l>n){
                    for(l=1;l<=n;++l)printf(a[l]?"S":"W");
                    return 0;
                }
            }
        }
    }
    puts("-1");
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%s",&n,c+1);
                         ^

Judge Result