krisys

#include<iostream>
#include<string>
#include<vector>
#define SIZE 4
#define debug(x) cout<< #x << " = "<< x <<endl
#define swap(typ,A,B) { typ temp;temp=B; B=A;A=temp;}
using namespace std;

vector <int> permset;
string flags;

krisys

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;

int main(){
    int n;
    char c;
    vector < string > next, current;

krisys

#include<iostream>
#include<string>
using namespace std;

string deleteKthCharacter(string str, int k){
    return str.erase(k, 1);
}

void permute( string dest, string source, int len){
    if( dest.length() == len){

krisys

#include<iostream>
using namespace std;
int sudoku[9][9],ptr[162],xstart[9]={0,3,6,0,3,6,0,3,6}, ystart[9]={0,0,0,3,3,3,6,6,6};
int valid(){
    int valid=1;
    int hashtable[10];
    for(int i=0;i<9;i++){
        for(int j=0;j<9;j++){
            for(int k=j+1;k<9;k++){
	        if(sudoku[i][j]==0) continue;