제출 #286792

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
286792		medmdg	Vision Program (IOI19_vision)	C++14	0 / 100	2 ms	1148 KiB

vision

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

void construct_network(int H, int W, int K){
    int b1=-1,b2;
    for(int i=0;i<H*W;i+=20){
        vector<int> h;
        for(int j=i;j<min(i+20,H*W);j++){
            h.push_back(j);
        }
        if(add_or(h)){
            for(int j=i;j<H*W;j++){
                if(add_not(j)==0){
                    if(b1==-1){
                        b1=j;
                    }else{
                        b2=j;
                    }
                }
            }
        }
    }
        int x1=b1%W;
        int x2=b2%W;
        int y1=b1/W;
        int y2=b2/W;
        bool tr=false;
        if(abs(x1-x2)+abs(y1-y2)==K){
            tr=true;
        }
        vector<int> h;
        h.push_back(b1);
        if(tr){
            int f=add_or(h);
        }else{
            int f=add_not(b1);
        }
}

컴파일 시 표준 에러 (stderr) 메시지

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:35:17: warning: unused variable 'f' [-Wunused-variable]
   35 |             int f=add_or(h);
      |                 ^
vision.cpp:37:17: warning: unused variable 'f' [-Wunused-variable]
   37 |             int f=add_not(b1);
      |                 ^
vision.cpp:6:15: warning: 'b2' may be used uninitialized in this function [-Wmaybe-uninitialized]
    6 |     int b1=-1,b2;
      |               ^~

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