oj.uz

Submission #341122

# Submission time Handle Problem Language Result Execution time Memory
341122 2020-12-29T03:19:07 Z juggernaut Riddick's Cube (IZhO13_riddicks) C++14
100 / 100
 537 ms 492 KB 
#include<bits/stdc++.h>
using namespace std;
int arr[5][5],n,m;
void row(int x){
	int tmp=arr[x][m-1];
	for(int i=m-1;i>0;i--)
		arr[x][i]=arr[x][i-1];
	arr[x][0]=tmp;
}
void col(int x){
	int tmp=arr[n-1][x];
	for(int i=n-1;i>0;i--)
		arr[i][x]=arr[i-1][x];
	arr[0][x]=tmp;
}
int ans=100500;
void son(int x){
	int ok=1;
	for(int i=0;i<n;i++)
		for(int j=0;j<m;j++)
			ok&=(arr[i][j]==arr[i][0]);
	if(ok){if(ans>x)ans=x;}ok=1;
	for(int j=0;j<m;j++)
		for(int i=0;i<n;i++)
			ok&=(arr[i][j]==arr[0][j]);
	if(ok){if(ans>x)ans=x;}
}
void g(int x,int cur){
	if(x==n){son(cur);return;}
	for(int i=0;i<m;i++)
		g(x+1,cur+(i>m-i?m-i:i)),row(x);
}
void f(int x,int cur){
	if(x==m){g(0,cur);return;}
	for(int i=0;i<n;i++)
		f(x+1,cur+(i>n-i?n-i:i)),col(x);
}
int main(){
    scanf("%d%d",&n,&m);
    for(int i=0;i<n;i++)
    	for(int j=0;j<m;j++)
    		scanf("%d",&arr[i][j]);
    f(0,0);printf("%d",ans);
}

Compilation message

riddicks.cpp: In function 'int main()':
riddicks.cpp:39:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   39 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
riddicks.cpp:42:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   42 |       scanf("%d",&arr[i][j]);
      |       ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 5 ms 364 KB Output is correct
9 Correct 30 ms 492 KB Output is correct
10 Correct 31 ms 364 KB Output is correct
11 Correct 30 ms 492 KB Output is correct
12 Correct 30 ms 364 KB Output is correct
13 Correct 537 ms 492 KB Output is correct
14 Correct 525 ms 364 KB Output is correct
15 Correct 517 ms 364 KB Output is correct
16 Correct 520 ms 492 KB Output is correct
17 Correct 524 ms 492 KB Output is correct
18 Correct 523 ms 492 KB Output is correct
19 Correct 520 ms 492 KB Output is correct
20 Correct 524 ms 364 KB Output is correct