제출 #685387

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
685387		dostigator	Gift (IZhO18_nicegift)	C++17	컴파일 에러	0 ms	0 KiB

nicegift

#include <bits/stdc++.h>

using namespace std;

#define all(a) a.begin(),a.end()
#define pb push_back
#define vt vector
#define endl '\n'
#define Y second
#define X first
typedef long long ll;
typedef long double ld;
const ll mod=1e9+7;
const ll INF=1e18;
const int inf=1e9;
const int N=2e6+505;
const int M=3e3+10;
const int dx[]={0,0,1,-1};
const int dy[]={1,-1,0,0};

/*From Benq:
    stuff you should look for
        * int overflow, array bounds
        * special cases (n=1?)
        * do smth instead of nothing and stay organized
        * WRITE STUFF DOWN
        * DON'T GET STUCK ON ONE APPROACH*/

int n,k;
ll a[N];

void solve(){
	cin>>n>>k;
	for(int i=1; i<=n; ++i){
		cin>>a[i];
	}sort(a+1,a+1+n);
	if(a[1]==a[n]){
		if(n%k/* && (n/k)*((a[1]+inf-1)/inf)>3000000*/){
			cout<<-1<<endl;
			return;
		}cout<<(n/k)<<endl;
		for(int i=1; i<=n; i+=k){
				cout<<a[i]<<endl;
				for(int j=i; j<i+k; ++j){
					cout<<j<<' ';
				}
			}
		}return;
	}
}

int main(){
	//srand(time(0));
	//freopen("hotel.in","r",stdin);
	//freopen("hotel.out","w",stdout);
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int tt=1,lolol=0;
//	cin>>tt;
	while(tt--) {
		//cout<<"Case "<<++lolol<<": ";
		solve();
	}
}

컴파일 시 표준 에러 (stderr) 메시지

nicegift.cpp:50:1: error: expected declaration before '}' token
   50 | }
      | ^
nicegift.cpp: In function 'int main()':
nicegift.cpp:57:11: warning: unused variable 'lolol' [-Wunused-variable]
   57 |  int tt=1,lolol=0;
      |           ^~~~~