Submission #904299


Source Code Expand

// {{{ by shik
#include <bits/stdc++.h>
#include <unistd.h>
#define SZ(x) ((int)(x).size())
#define ALL(x) begin(x),end(x)
#define REP(i,n) for ( int i=0; i<int(n); i++ )
#define REP1(i,a,b) for ( int i=(a); i<=int(b); i++ )
#define FOR(it,c) for ( auto it=(c).begin(); it!=(c).end(); it++ )
#define MP make_pair
#define PB push_back
using namespace std;
typedef long long LL;
typedef pair<int,int> PII;
typedef vector<int> VI;

#ifdef SHIK
template<typename T>
void _dump( const char* s, T&& head ) { cerr<<s<<"="<<head<<endl; }

template<typename T, typename... Args>
void _dump( const char* s, T&& head, Args&&... tail ) {
    int c=0;
    while ( *s!=',' || c!=0 ) {
        if ( *s=='(' || *s=='[' || *s=='{' ) c++;
        if ( *s==')' || *s==']' || *s=='}' ) c--;
        cerr<<*s++;
    }
    cerr<<"="<<head<<", ";
    _dump(s+1,tail...);
}

#define dump(...) do { \
    fprintf(stderr, "%s:%d - ", __PRETTY_FUNCTION__, __LINE__); \
    _dump(#__VA_ARGS__, __VA_ARGS__); \
} while (0)

template<typename Iter>
ostream& _out( ostream &s, Iter b, Iter e ) {
    s<<"[";
    for ( auto it=b; it!=e; it++ ) s<<(it==b?"":" ")<<*it;
    s<<"]";
    return s;
}

template<typename A, typename B>
ostream& operator <<( ostream &s, const pair<A,B> &p ) { return s<<"("<<p.first<<","<<p.second<<")"; }
template<typename T>
ostream& operator <<( ostream &s, const vector<T> &c ) { return _out(s,ALL(c)); }
template<typename T, size_t N>
ostream& operator <<( ostream &s, const array<T,N> &c ) { return _out(s,ALL(c)); }
template<typename T>
ostream& operator <<( ostream &s, const set<T> &c ) { return _out(s,ALL(c)); }
template<typename A, typename B>
ostream& operator <<( ostream &s, const map<A,B> &c ) { return _out(s,ALL(c)); }
#else
#define dump(...)
#endif

template<typename T>
void _R( T &x ) { cin>>x; }
void _R( int &x ) { scanf("%d",&x); }
void _R( long long &x ) { scanf("%" PRId64,&x); }
void _R( double &x ) { scanf("%lf",&x); }
void _R( char &x ) { scanf(" %c",&x); }
void _R( char *x ) { scanf("%s",x); }

void R() {}
template<typename T, typename... U>
void R( T& head, U&... tail ) {
    _R(head);
    R(tail...);
}

template<typename T>
void _W( const T &x ) { cout<<x; }
void _W( const int &x ) { printf("%d",x); }
template<typename T>
void _W( const vector<T> &x ) {
    for ( auto i=x.cbegin(); i!=x.cend(); i++ ) {
        if ( i!=x.cbegin() ) putchar(' ');
        _W(*i);
    }
}

void W() {}
template<typename T, typename... U>
void W( const T& head, const U&... tail ) {
    _W(head);
    putchar(sizeof...(tail)?' ':'\n');
    W(tail...);
}

#ifdef SHIK
#define FILEIO(...)
#else
#define FILEIO(name) do {\
    freopen(name ".in","r",stdin); \
    freopen(name ".out","w",stdout); \
} while (0)
#endif

// }}}

const int N=2e5+10;
char s[N],t[N];
int n,m;
int main() {
    R(s);
    n=strlen(s);
    REP(i,n) {
        if ( s[i]=='S' ) t[m++]=s[i];
        else {
            if ( m>0 && t[m-1]=='S' ) m--;
            else t[m++]=s[i];
        }
    }
    t[m]=0;
    W(m);
    return 0;
}

Submission Info

Submission Time
Task A - STring
User shik
Language C++14 (GCC 5.4.1)
Score 300
Code Size 3139 Byte
Status AC
Exec Time 4 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘void _R(long long int&)’:
./Main.cpp:62:46: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
 void _R( long long &x ) { scanf("%" PRId64,&x); }
                                              ^
./Main.cpp: In function ‘void _R(int&)’:
./Main.cpp:61:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 void _R( int &x ) { scanf("%d",&x); }
                                   ^
./Main.cpp: In function ‘void _R(long long int&)’:
./Main.cpp:62:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 void _R( long long &x ) { scanf("%" PRId64,&x); }
                                               ^
./Main.cpp: In function ‘void _R(double&)’:
./Main.cpp:63:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-resu...

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 3
AC × 9
AC × 13
Set Name Test Cases
Sample example0, example1, example2
Subtask1 example0, example1, example2, sub_corner0, sub_corner1, sub_corner2, sub_rand0, handmade0, handmade1
All corner0, corner1, corner2, example0, example1, example2, handmade0, handmade1, maxrand0, sub_corner0, sub_corner1, sub_corner2, sub_rand0
Case Name Status Exec Time Memory
corner0 AC 4 ms 512 KB
corner1 AC 4 ms 640 KB
corner2 AC 4 ms 512 KB
example0 AC 3 ms 256 KB
example1 AC 3 ms 256 KB
example2 AC 3 ms 256 KB
handmade0 AC 3 ms 256 KB
handmade1 AC 3 ms 256 KB
maxrand0 AC 4 ms 384 KB
sub_corner0 AC 3 ms 256 KB
sub_corner1 AC 3 ms 256 KB
sub_corner2 AC 3 ms 256 KB
sub_rand0 AC 3 ms 256 KB