Submission #3322684

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int n,f[102];
char a[102];
int main()
{
	scanf("%d",&n);
	scanf("%s",a+1);
	a[1]=='X'?f[1]=1:f[1]=0;
	a[2]=='X'?f[2]=1:f[2]=0;
	a[3]=='X'?f[3]=1:f[3]=0;
	for(int i=4;i<=n;i++)
	{
		a[i]=='X'?f[i]=1:f[i]=0;
		f[i]+=min(f[i-1],min(f[i-2],f[i-3]));
	}
	printf("%d",f[n]);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:8:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",a+1);
                 ^

Judge Result