Submission #146018

#	Time	Username	Problem	Language	Result	Execution time	Memory
146018		oscarsierra12	Vision Program (IOI19_vision)	C++14	100 / 100	64 ms	6576 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
using namespace std ;

int cnt ;
vector <int> Ns;
int pos1 = 0, pos2 = 0, var ;

void ini() {
    Ns = vector<int>() ;
}

int goDiagonal ( int fil, int col, int H, int W ) {
    while ( fil >= 0 && col < W ) {
        if ( fil >= H || col < 0 ) {}
        else
            Ns.push_back ( fil*W+col ) ;
        fil-- ;
        col++ ;
    }
}

int otDiag ( int fil, int col, int H, int W ) {
    while ( fil >= 0 && col >= 0 ) {
        if ( fil >= H || col >= W ) {}
        else
            Ns.push_back ( fil*W+col ) ;
        fil-- ;
        col-- ;
    }
}

int diagDer ( int H, int W, int K ) {
    ini() ;
    goDiagonal(H-1, W-K-2, H, W) ;
    if ( Ns.size() ) {
        add_or( Ns ) ;
        ini() ;
        goDiagonal(H-1, W-1, H, W );
        add_or ( Ns ) ;
        add_and(vector<int>{cnt, cnt+1}) ;
        cnt+=3 ;
    }
    for ( int i = W-K-3 ; i > -H ; --i ) {
        ini() ;
        goDiagonal ( H-1, i, H, W ) ;
        add_or ( Ns ) ;
        ini() ;
        goDiagonal ( H-1, i+K+1, H, W ) ;
        Ns.push_back ( cnt-2 ) ;
        add_or ( Ns ) ;
        add_and(vector<int>{cnt, cnt+1}) ;
        cnt+=3 ;
    }
}

int diagIzq ( int H, int W, int K ) {
    ini() ;
    otDiag ( H-1, W+H-K-3, H, W ) ;
    if ( Ns.size() ) {
        add_or( Ns ) ;
        ini() ;
        otDiag(H-1, W+H-2, H, W );
        add_or ( Ns ) ;
        add_and(vector<int>{cnt, cnt+1}) ;
        cnt+=3 ;
    }
    for ( int i = W+H-K-4 ; i >= 0 ; --i ) {
        ini() ;
        otDiag ( H-1, i, H, W ) ;
        add_or ( Ns ) ;
        ini() ;
        otDiag ( H-1, i+K+1, H, W ) ;
        Ns.push_back ( cnt-2 ) ;
        add_or ( Ns ) ;
        add_and(vector<int>{cnt, cnt+1}) ;
        cnt+=3 ;
    }
}

void solve ( int H, int W, int K, int flag ) {
    diagDer ( H, W, K ) ;
    diagIzq ( H, W, K ) ;
    vector <int> frOr ;
    int cur = 0 ;
    vector <int> xorAdd ;
    for ( int i = 0 ; i < H ; ++i ) {
        for ( int j = 0 ; j < W ;++j ) xorAdd.push_back(i*W+j) ;
    }
    add_xor(xorAdd) ;
    add_xor(xorAdd) ;
    add_xor(xorAdd) ;
    cnt+=3 ;
    for ( int i = var ; i < cnt ; ++i ) {
        if ( cur==2 ) frOr.push_back ( i );
        cur++ ;
        cur%=3 ;
    }
    add_or ( frOr ) ;
    if ( flag ) pos1 = cnt ;
    else pos2 = cnt ;
    cnt++ ;
    var = cnt ;
}

void construct_network(int H, int W, int K) {
    var = cnt = H*W ;
    solve ( H, W, K, 1 ) ;
    solve ( H, W, K-1, 0 ) ;
    add_xor ( vector <int>{pos1,pos2} ) ;
}

Compilation message (stderr)

vision.cpp: In function 'int goDiagonal(int, int, int, int)':
vision.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
vision.cpp: In function 'int otDiag(int, int, int, int)':
vision.cpp:31:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
vision.cpp: In function 'int diagDer(int, int, int)':
vision.cpp:55:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
vision.cpp: In function 'int diagIzq(int, int, int)':
vision.cpp:79:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 15 / 15
• Subtask 5: 12 / 12
• Subtask 6: 8 / 8
• Subtask 7: 14 / 14
• Subtask 8: 19 / 19