Submission #1804843

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Source Code Expand

#include <cstdio>
#include <cstring>
const int N = 2e5 + 5;
char s[N];
int len, pre, cnt;
int main() {
	scanf("%s", s + 1), len = strlen(s + 1);
	for (int i = 1; s[i]; ++i) 
		if (s[i] == 'S') ++pre;
		else if (pre) --pre, ++cnt;
		
	printf("%d\n", len - cnt * 2);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s + 1), len = strlen(s + 1);
                                         ^

Judge Result