Submission #502060

#	Time	Username	Problem	Language	Result	Execution time	Memory
502060		tmn2005	Chessboard (IZhO18_chessboard)	C++17	0 / 100	1 ms	204 KiB

chessboard

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

typedef long long ll;

#define ar array
#define fr first
#define sc second

#define vec vector
#define ret return

#define ins insert
#define mk make_pair
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front

#define int long long

#define pii pair<int,int>

#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()

#define NeedForSpeed ios::sync_with_stdio(0),cin.tie(0);
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N=1e6+12,INF=1e9,mod = 1e9+7;
bool iswowel(char n){ n = toupper(n); if(n == 'A' || n == 'O' || n == 'U' || n == 'E' || n == 'I') return true; else return false;}
int n,m,k,x,y,l,r,o,ans,res,ok,mx,mn = INF;
int a,b,c;

main(){
	NeedForSpeed
    cin>>n>>k;
    if(k == 0){
    	r = INF;
    	for(int i=1; i<n; i++){
    		if(n*n % i == 0){
    			r = min(r, n*n/i/2 * i);
			}
		}
		cout<<r<<endl;
	}




	return 0;
}

Compilation message (stderr)

chessboard.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main(){
      | ^~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 23
• Subtask 6: 0 / 30