제출 #121377

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
121377		shashwatchandra	게임 (IOI14_game)	C++17	컴파일 에러	0 ms	0 KiB

game

/*input

*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <game.h>
using namespace std;
using namespace __gnu_pbds;

#define int long long 
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back

#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < (int)n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)

#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;

typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

const int INF = 1e18+1;
const int MOD = 1e9+7;
const double PI = 3.14159265358979323846264338;

int raise(int a,int n,int m = MOD){
  if(n == 0)return 1;
  if(n == 1)return a;
  int x = 1;
    x *= raise(a,n/2,m);
    x %= m;
    x *= x;
    x %= m;
    if(n%2)x*= a;
    x %= m;
    return x;
}

int floor1(int n,int k){
    if(n%k == 0 || n >= 0)return n/k;
    return (n/k)-1;
}

int ceil1(int n,int k){
    return floor1(n+k-1,k);
}

const int N = 1501;
int deg[N];

void initialize(int n);
int hasEdge(int u, int v);

hasEdge(int u,int v){
	if(deg[u] == 1 or deg[v] == 1){
		deg[u]--;
		deg[v]--;
		return 1;
	}
	return 0;
}

initialize(int n){
	 REP(i,n)deg[i] = n-1;
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp:75:20: error: ISO C++ forbids declaration of 'hasEdge' with no type [-fpermissive]
 hasEdge(int u,int v){
                    ^
game.cpp: In function 'int hasEdge(long long int, long long int)':
game.cpp:75:1: error: ambiguating new declaration of 'int hasEdge(long long int, long long int)'
 hasEdge(int u,int v){
 ^~~~~~~
game.cpp:73:5: note: old declaration 'long long int hasEdge(long long int, long long int)'
 int hasEdge(int u, int v);
     ^~~~~~~
game.cpp: At global scope:
game.cpp:84:17: error: ISO C++ forbids declaration of 'initialize' with no type [-fpermissive]
 initialize(int n){
                 ^
game.cpp: In function 'int initialize(long long int)':
game.cpp:84:1: error: ambiguating new declaration of 'int initialize(long long int)'
 initialize(int n){
 ^~~~~~~~~~
game.cpp:72:6: note: old declaration 'void initialize(long long int)'
 void initialize(int n);
      ^~~~~~~~~~
game.cpp:86:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^