Submission #1819009

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Source Code Expand

#include <bits/stdc++.h>
#define pb push_back
#define fs first
#define sc second
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<double> vd;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

const int N=300000;
char s[N], x[N];

int main() {
    int i, sp=0;
    scanf("%s", s);
    for(i=0; s[i]; i++) {
        if(sp>0 && x[sp-1]=='S' && s[i]=='T') sp--;
        else x[sp++]=s[i];
    }
    printf("%d\n", sp);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", s);
                   ^

Judge Result