Submission #1021450

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021450		vjudge1	Vision Program (IOI19_vision)	C++17	33 / 100	2 ms	984 KiB

vision

#include "vision.h"
#include<vector>
#include<iostream>
using namespace std;

void construct_network(int H, int W, int K){
    int x,y,p;
    vector<int>r;
    for(int i=0;i<H;i++){
        for(int j=0;j<W;j++){
            vector<int>t;
            for(int k=0;k<K;k++){
                x=i+k;
                y=j-K+k;
                if(0<=x&&x<H&&0<=y&&y<W)t.push_back(x*W+y);
                x=i+K-k;
                y=j+k;
                if(0<=x&&x<H&&0<=y&&y<W)t.push_back(x*W+y);
                x=i-k;
                y=j+K-k;
                if(0<=x&&x<H&&0<=y&&y<W)t.push_back(x*W+y);
                x=i-K+k;
                y=j-k;
                if(0<=x&&x<H&&0<=y&&y<W)t.push_back(x*W+y);
            }
            if(!t.empty()){
                p=t[0];
                for(int k=1;k<t.size();k++)p=add_or({p,t[k]});
            }
            p=add_and({p,i*W+j});
            r.push_back(p);
        }
    }
    p=r[0];
    for(int i=1;i<r.size();i++)p=add_or({p,r[i]});
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:28:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |                 for(int k=1;k<t.size();k++)p=add_or({p,t[k]});
      |                             ~^~~~~~~~~
vision.cpp:35:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for(int i=1;i<r.size();i++)p=add_or({p,r[i]});
      |                 ~^~~~~~~~~

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