제출 #386653

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
386653		ismoilov	게임 (IOI14_game)	C++14	컴파일 에러	0 ms	0 KiB

game

#include "game.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).begin(), (x).end()
#define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
#define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
#define fv(c) for(int (a) = (1); (a) <= (c); (a)++)
#define fz(c) for(int (a) = (0); (a) < (c); (a)++)
#define fm(a,i,c) for(int (a) = (i); (a) > (c); (a)--)
#define fmm(a,i,c) for(int (a) = (i); (a) >= (c); (a)--)
#define pb push_back
#define in insert
#define ss second
#define ff first
int ad = 0, n;
int v[1501];
set <int> a, b;
int hasEdge(int x, int y)
{
	if(a.count(x) && a.count(y) || b.count(x) && b.count(y)){
		ad ++;
		return 1;
	}
	else{
		if(ad == (n-1)*n/2)
			return 1;
		ad ++;
		return 0;
	}
}
void initialize(int n) {
	fp(i,0,n)
		v[i] = n-1;
	fp(i,0,n/2)
		a.in(i);
	fp(i,n/2,n)
		b.in(i);
	while(ad < (n-1)*n/2){
		int x, y;
		cin >> x >> y;
		return hasEdge(x, y);
	}
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:25:16: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   25 |  if(a.count(x) && a.count(y) || b.count(x) && b.count(y)){
      |     ~~~~~~~~~~~^~~~~~~~~~~~~
game.cpp: In function 'void initialize(int)':
game.cpp:10:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
game.cpp:37:2: note: in expansion of macro 'fp'
   37 |  fp(i,0,n)
      |  ^~
game.cpp:10:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
game.cpp:39:2: note: in expansion of macro 'fp'
   39 |  fp(i,0,n/2)
      |  ^~
game.cpp:10:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
game.cpp:41:2: note: in expansion of macro 'fp'
   41 |  fp(i,n/2,n)
      |  ^~
game.cpp:46:22: error: return-statement with a value, in function returning 'void' [-fpermissive]
   46 |   return hasEdge(x, y);
      |                      ^