Submission #1359353

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Source Code Expand

// eddy1021
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
typedef double D;
typedef long double LD;
typedef long long LL;
typedef pair<int,int> PII;
typedef pair<LL,LL> PLL;
#define mod9 1000000009LL
#define mod7 1000000007LL
#define INF  1023456789LL
#define INF16 10000000000000000LL
#define eps 1e-9
#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(), (x).end()
#define IOS ios_base::sync_with_stdio(0); cin.tie(0)
#ifndef ONLINE_JUDGE
#define debug(...) printf(__VA_ARGS__)
#else 
#define debug(...)
#endif
inline LL getint(){
  LL _x=0,_tmp=1; char _tc=getchar();    
  while( (_tc<'0'||_tc>'9')&&_tc!='-' ) _tc=getchar();
  if( _tc == '-' ) _tc=getchar() , _tmp = -1;
  while(_tc>='0'&&_tc<='9') _x*=10,_x+=(_tc-'0'),_tc=getchar();
  return _x*_tmp;
}
inline LL add( LL _x , LL _y , LL _mod = mod7 ){
  _x += _y;
  return _x >= _mod ? _x - _mod : _x;
}
inline LL sub( LL _x , LL _y , LL _mod = mod7 ){
  _x -= _y;
  return _x < 0 ? _x + _mod : _x;
}
inline LL mul( LL _x , LL _y , LL _mod = mod7 ){
  _x *= _y;
  return _x >= _mod ? _x % _mod : _x;
}
LL mypow( LL _a , LL _x , LL _mod ){
  if( _x == 0 ) return 1LL;
  LL _ret = mypow( mul( _a , _a , _mod ) , _x >> 1 , _mod );
  if( _x & 1 ) _ret = mul( _ret , _a , _mod );
  return _ret;
}
LL mymul( LL _a , LL _x , LL _mod ){
  if( _x == 0 ) return 0LL;
  LL _ret = mymul( add( _a , _a , _mod ) , _x >> 1 , _mod );
  if( _x & 1 ) _ret = add( _ret , _a , _mod );
  return _ret;
}
inline bool equal( D _x ,  D _y ){
  return _x > _y - eps && _x < _y + eps;
}
#define Bye exit(0)
int __ = 1 , _cs;
/*********default*********/
#define N 111
void build(){

}
int ans , len;
char c[ N ];
void init(){
  scanf( "%s" , c );
  len = strlen( c );
}
int vv[ N ] , v2[ N ];
void go( char ctmp ){
  for( int i = 0 ; i < len ; i ++ )
    vv[ i ] = ( c[ i ] == ctmp );
  int tans = 0;
  for( int i = len ; i ; i -- ){
    if( accumulate( vv , vv + i , 0 ) == i ){
      ans = min( ans , tans );
      return;
    }
    tans ++;
    for( int j = 0 ; j < i ; j ++ )
      v2[ j ] = vv[ j ];
    for( int j = 0 ; j + 1 < i ; j ++ )
      if( v2[ j ] or v2[ j + 1 ] )
        vv[ j ] = 1;
      else
        vv[ j ] = 0;
  }
}
void solve(){
  ans = len - 1;
  for( int i = 0 ; i < len ; i ++ )
    go( c[ i ] );
  printf( "%d\n" , ans );
}
int main(){
  build();
  //__ = getint();
  while( __ -- ){
    init();
    solve();
  }
}

Submission Info

Compile Error

./Main.cpp: In function ‘void init()’:
./Main.cpp:67:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf( "%s" , c );
                    ^

Judge Result