https://codeforces.com/contest/1151/problem/B
题意:给定一个n∗m 的矩阵,在每一行都取一个数,问是否存在一种方法使得异或和不为0
题解:
1、随便选;
2、如果1中的结果为0;
3、暴力判断每一段有木有和已选的不一样的数;
4、如果有就就是可以(找到一行有就行了),没有就NO;
/*
*@Author: STZG
*@Language: C++
*/
#include <bits/stdc++.h>
#include<iostream>
#include<algorithm>
#include<cstdlib>
#include<cstring>
#include<cstdio>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<deque>
#include<stack>
#include<cmath>
#include<list>
#include<map>
#include<set>
//#define DEBUG
#define RI register int
#define endl "\n"
using namespace std;
typedef long long ll;
//typedef __int128 lll;
const int N=1000+10;
const int M=100000+10;
const int MOD=1e9+7;
const double PI = acos(-1.0);
const double EXP = 1E-8;
const int INF = 0x3f3f3f3f;
int t,n,m,k,p,l,r,u,v;
int ans,cnt,flag,temp,sum;
int a[N][N],b[N];
char str;
struct node{};
int main()
{
#ifdef DEBUG
freopen("input.in", "r", stdin);
//freopen("output.out", "w", stdout);
#endif
//ios::sync_with_stdio(false);
//cin.tie(0);
//cout.tie(0);
//scanf("%d",&t);
//while(t--){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
scanf("%d",&a[i][j]);
}
}
sum=0;
for(int k=1;k<=n;k++){
b[k]=1;
sum^=a[k][1];
}
if(!sum){
for(int i=1;i<=n;i++){
temp=-1;
for(int j=2;j<=m;j++){
if(a[i][1]!=a[i][j]){
temp=j;
break;
}
}
if(temp!=-1){
b[i]=temp;
cout<<"TAK"<<endl;
for(int k=1;k<=n;k++)
printf("%d%c",b[k]," \n"[k==n]);
return 0;
}
}
cout<<"NIE"<<endl;
}else{
cout<<"TAK"<<endl;
for(int i=1;i<=n;i++)
printf("%d%c",b[i]," \n"[i==n]);
}
//}
#ifdef DEBUG
printf("Time cost : %lf s\n",(double)clock()/CLOCKS_PER_SEC);
#endif
//cout << "Hello world!" << endl;
return 0;
}