Submission #933224

#TimeUsernameProblemLanguageResultExecution timeMemory
933224thunoproVision Program (IOI19_vision)C++14
0 / 100
1 ms984 KiB
#include<bits/stdc++.h> #include "vision.h" using namespace std ; #define maxn 200009 #define ll long long #define pb push_back #define fi first #define se second #define left id<<1 #define right id<<1|1 #define re exit(0); #define _lower(x) lower_bound(v.begin(),v.end(),x)-v.begin()+1 const int mod = 1e9+7 ; const int INF = 1e9 ; typedef vector<int> vi ; typedef pair<int,int> pii ; typedef vector<pii> vii ; template < typename T > void chkmin ( T &a , T b ) { if ( a > b ) a = b ; } template < typename T > void chkmax ( T &a , T b ) { if ( a < b ) a = b ; } void add ( int &a , int b ) { a += b ; if ( a >= mod ) a -= mod ; if ( a < 0 ) a += mod ; } void rf () { freopen ("bai1.inp","r",stdin) ; } int _pow ( int a , int n ) { if ( n == 0 ) return 1 ; int res = _pow (a,n/2) ; if ( n % 2 ) return 1ll*res*res%mod*a%mod ; else return 1ll*res*res%mod ; } //void construct_network ( int H , int W , int K ) ; //bool NOT ( int cell ) ; //bool AND ( vi cell ) ; //bool OR ( vi cell ) ; //bool XOR ( vi cell ) ; // //int main () //{ // ios_base::sync_with_stdio(0); // cin.tie(0);cout.tie(0); //// rf () ; // construct_network ( 2 , 3 , 3 ) ; //} // //bool NOT ( int cell ) //{ // if ( cell == 0 || cell == 5 ) return 0 ; // return 1 ; //} //bool AND ( vi cell ) //{ // int x ; cin >> x ; // return x ; //} //bool OR ( vi cell ) //{ // int x ; cin >> x ; // return x ; //} //bool XOR ( vi cell ) //{ // int x ; cin >> x ; // return x ; //} int h , w , k ; pii get_cell ( int cell ) { return {cell/w,cell%w} ; } void construct_network ( int H , int W , int K ) { h = H , w = W , k = K ; pii fir = {-1,0} , sec = {0,0} ; int pos = 0 ; for ( int i = 0 ; i < h*w ; i ++ ) { if ( add_not (i) == 0 && fir.fi == -1 ) fir = get_cell (i) , pos = i ; else if ( add_not (i) == 0 ) sec = get_cell (i) ; } int res ; if ( abs(fir.fi-sec.fi) + abs(fir.se-sec.se) == k ) res = (add_not(pos)==0) ; else res = add_not(pos) ; return ; }

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:92:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   92 |  int res ;
      |      ^~~
vision.cpp: In function 'void rf()':
vision.cpp:32:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |  freopen ("bai1.inp","r",stdin) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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