Submission #623676

# Submission time Handle Problem Language Result Execution time Memory
623676 2022-08-06T09:15:53 Z inksamurai Prosjecni (COCI16_prosjecni) C++17
24 / 120
1 ms 372 KB
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define _3SgiE60 ios::sync_with_stdio(0),cin.tie(0)
// e

const int _n=111;

signed main(){
_3SgiE60;
	int n;
	cin>>n;
	if(n==2){
		printf("-1\n");
		return 0;
	}
	int a[_n][_n],dro[_n],dco[_n];
	if(n%2==0){
		rng(i,1,n){
			dro[i]=(i%2?1:-1)*(i+1)/2;
		}
		dro[n-1]+=1;
		dro[1]-=dro[n-1];
		int ad=dro[n-1]-dro[1]+1;
		rng(j,1,n){
			dco[j]=dco[j-1]+ad+2*n+1;
		}
		while(1){
			int sun=0;
			rep(j,n){
				sun+=dco[j];
			}
			bool pok=0;
			rep(j,n){
				pok=pok or (dco[j]==sun/n);
			}
			if(pok) break;
			dco[n-1]+=n;
		}
		rep(i,n){
			rep(j,n){
				a[i][j]=dco[j]+dro[i];
			}
		}
	}else{
		rep(i,n){
			rep(j,n){
				a[i][j]=i*n+j+1;
			}
		}
	}
	rep(i,n){
		rep(j,n){
			printf("%d ",a[i][j]);
		}
		puts("");
	}
}

Compilation message

prosjecni.cpp: In function 'int main()':
prosjecni.cpp:23:11: warning: 'dro[<unknown>]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   23 |   dro[n-1]+=1;
      |   ~~~~~~~~^~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Integer -2 violates the range [0, 1000000000]
2 Correct 1 ms 340 KB Output is correct
3 Incorrect 1 ms 364 KB Integer -4 violates the range [0, 1000000000]
4 Correct 1 ms 340 KB Output is correct
5 Incorrect 1 ms 340 KB Integer -10 violates the range [0, 1000000000]
6 Incorrect 1 ms 364 KB Integer -21 violates the range [0, 1000000000]
7 Incorrect 1 ms 340 KB Integer -33 violates the range [0, 1000000000]
8 Incorrect 1 ms 340 KB Integer -47 violates the range [0, 1000000000]
9 Incorrect 1 ms 372 KB Integer -49 violates the range [0, 1000000000]
10 Incorrect 1 ms 340 KB Integer -50 violates the range [0, 1000000000]