Submission #9638204

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Source Code Expand

// ===================================
//   author: M_sea
//   website: http://m-sea-blog.com/
// ===================================
#include <bits/stdc++.h>
#define re register
using namespace std;

inline int read() {
    int X=0,w=1; char c=getchar();
    while (c<'0'||c>'9') { if (c=='-') w=-1; c=getchar(); }
    while (c>='0'&&c<='9') X=X*10+c-'0',c=getchar();
    return X*w;
}

const int N=200000+10;

char s[N];

int main() {
    scanf("%s",s+1); int n=strlen(s+1),ans=n;
    for (re int i=1,top=0;i<=n;++i) {
        if (s[i]=='S') ++top;
        else if (top) ans-=2,--top;
    }
    printf("%d\n",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",s+1); int n=strlen(s+1),ans=n;
                    ^

Judge Result