Submission #579215

#	Time	Username	Problem	Language	Result	Execution time	Memory
579215		SlavicG	Vision Program (IOI19_vision)	C++17	0 / 100	2 ms	1360 KiB

vision

#include "vector"
#include "vision.h"
#define P push_back
void construct_network(int H, int W, int K) {
    int i,j,N,l;
    std::vector <int> b,v,h,r;
    for(i=0;i<H;i++){
        for(j=0;j<W;)v.P(i*W+j++);
        b.P(add_xor(v));
        v={b.back()};
    }
    for(j=0;j<W;j++){
        for(i=0;i<H;)v.P(i++*W+j);
        b.P(add_xor(v));
        v = {b.back()};
    }
    l=v[0];
    for(i=0;i<9;){
        r.P(add_xor(b));
        if(K>>i&1)r[i]=add_not(r[i++]);
        N=l,h.clear();
        for(int j:b)h.P(add_and({N,j})),N=add_xor({N,j});
        b=h;
    }
    add_not(add_or(r));
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:20:35: warning: operation on 'i' may be undefined [-Wsequence-point]
   20 |         if(K>>i&1)r[i]=add_not(r[i++]);
      |                                  ~^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 0 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19