Submission #2236058

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Source Code Expand

#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
inline int read()
{
	int x=0,f=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}
int n;char s[1000005];
long long ans=0;
int main()
{
	scanf("%s",s+1);n=strlen(s+1);
	for(int i=1;i<=n;++i) if(s[i]=='U') ans+=i-1; else ans+=n-i;
	cout<<1LL*n*(n-1)+ans;
	return 0;
}

Submission Info

Compile Error

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

Judge Result