제출 #1111034

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1111034		epicci23	Vision Program (IOI19_vision)	C++17	컴파일 에러	0 ms	0 KiB

vision

#include "vision.h"
#include "bits/stdc++.h"
//#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

int N,M;

inline int get_ind(int a,int b){
  return a*M+b;
}

inline bool is_valid(int a,int b){
  return a>=0 && a<N && b>=0 && b<M;
}

void construct_network(int n, int m, int k){
  N=n,M=m;
  if(min(n,m)!=1){
  	vector<int> query;
  	int a = 0, b = k; 
  	for(int u=0;u<max(N,M);u++){
      if(valid(a,b)){
      	vector<int> xd;
      	xd.push_back(get_ind(0,0));
      	xd.push_back(get_ind(a,b));
      	query.push_back(add_and(xd));
      }
      a++,b--;
  	}
  	add_or(query);
  }
  if(n==1){
  	vector<int> query;
    for(int i=0;i+k<m;i++){
     vector<int> xd;
     xd.push_back(i);
     xd.push_back(i+k);
     query.push_back(add_and(xd));
    }
    add_or(query);
  }
  else{
    vector<int> query;
    for(int i=0;i+k<n;i++){
     vector<int> xd;
     xd.push_back(i);
     xd.push_back(i+k);
     query.push_back(add_and(xd));
    }
    add_or(query);
  }
}

컴파일 시 표준 에러 (stderr) 메시지

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:24:10: error: 'valid' was not declared in this scope
   24 |       if(valid(a,b)){
      |          ^~~~~