Submission #3781947

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Source Code Expand

char str[8] = "IJPC*";

int max(int a, int b) { if (a>b) { return a; }return b; }
int min(int a, int b) { if (a<b) { return a; }return b; }

int replace(int N, char S[]) {
	int i,j,w,r=4,k;
	char ts[8]={0};
	for(i=0;i<15;i++){
		w=i;
		k=0;
		for(j=0;j<4;j++){
			if(w%2==1){
				ts[j]='#';
				k++;
			}
			else{
				ts[j]=str[j];
			}
			w/=2;
		}
		w=0;
		for(j=0;j<N;j++){
          //printf("%s %d:%d\n",ts,j,w);
			if(ts[w]=='#'){w++;}
			else if(ts[w]==S[j]){w++;}
			if(w==4){break;}
		}
		if(w==4){
			r=min(r,k);
		}
	}
    return r;
}

Submission Info

Compile Error

./grader.cpp: In function ‘int main()’:
./grader.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%s", &N, S);
                       ^

Judge Result