The grid must look like the example above. The size vary based on user input. La

Question

The grid must look like the example above. The size vary based on user input.

Language: c++

Size requirement: product of row x col must be between 16 and 64 and be even Enter rows: 3 Enter columns: 4 Size requirement: product of row x col must be between 16 and 64 and be even Enter rows: 7 Enter columns: 3 Size requirement: product of row x col must be between 16 and 64 and be even Enter rows: 5 Enter columns: 4 llowing 30 seconds per pair ou will have 5 minutes and seconds to find the 10 pairs. Let's play 1 23 4 5 6 78 9 10 11 12 13 14 15 16 17 18 19 20 Enter first slot to view:

Explanation / Answer

#include <iostream>
#include <vector>
#include <time.h>
#include <math.h>

using namespace std;

void createMatrix(vector<vector<char>> &mat, int row, int col){
char ip[(row*col)/2];
int cnt_ip[(row*col)/2] = {0};

for (int k=0; k<(row*col)/2; k++){
ip[k] = 65 + ( std::rand() % ( 96 - 65 + 1 ) );
}

for(int i=0; i<row; i++){
mat.push_back(vector<char>());
for(int j=0; j<col; j++){
int k = std::rand() % ((row*col)/2);
if(cnt_ip[k] < 2){
mat[i].push_back(ip[k]);
cnt_ip[k] ++;
}
else{
k++;
while(cnt_ip[k] == 2){
k = (k+1)%((row*col)/2);
}
mat[i].push_back(ip[k]);
cnt_ip[k] ++;
}
}
}
}

void matchpairs(vector<vector<char>> mat, int rows, int cols){

int row1,col1,row2,col2;
int p,q,r;
for(int i=0; i<mat.size(); i++){
for(int j=0; j<mat[i].size(); j++){
cout<<(i*rows)+j<<" ";
}
cout<<" ";
}

for(int i=0; i<mat.size(); i++){
for(int j=0; j<mat[i].size(); j++){
cout<<mat[i][j]<<" ";
}
cout<<" ";
}

while(1){
cout<<"Enter slot to view: ";
cin>>p>>q;
col1 = p%rows;
row1 = (p-col1)/rows;
col2 = q%rows;
row2 = (q-col2)/rows;
if(mat[row1][col1] == mat[row2][col2])
cout<<p<<" and "<<q<<" are match"<<" ";
else
cout<<p<<" and "<<q<<" are not match"<<" ";
cout<<"Matching Done?:"<<" ";
cin>>r;
if(r == 1)
break;
else
continue;
}
}

int main(){
srand(time(NULL));
int k;
int rows;
int cols;

while(1){
cout<<"Enter Your Choice: ";
cout<<"1. Find Matches 2. Exit ";
cin>>k;
if(k == 1){
cout<<"Size Requirement:Product of row X col must be between 16 and 64 and be even ";
cout<<"Enter Rows: ";
cin>>rows;
cout<<"Enter Cols: ";
cin>>cols;

vector <vector<char> > matrix;

if(rows * cols >= 16 && rows * cols <= 64 && ((rows * cols) % 2 == 0)){
createMatrix(matrix, rows, cols);
matchpairs(matrix, rows, cols);
}
else
cout<<"Size Requirements not met !!!! ";
}
else if(k == 2){
break;
}
else
cout<<"Invalid Command !!!!! ";
}
return 0;
}

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