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3
anyone can explain to me that c code pls. step by step
i need to sort it out :
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void print_game(char *a, int size, int score_player, int score_computer);
void print_result(int result, int *score_player, int *score_computer);
int check_status(char *a, int size);
void AI_Machine(char *a, int size);
int main()
{
char a[9];
int k, ch;
int size = 3;
int score_player = 0, score_computer = 0;
int result;
srand((unsigned int)time(0));
while (score_player != 5 && score_computer != 5) {
for (k = 0; k < size * size; k++)
a[k] = '.';
while (1) {
//user playing
print_game(a, size, score_player, score_computer);
while (1) {
printf("Secim : ");
scanf("%d", &ch);
getchar();
if (a[ch - 1] == 'X' || a[ch - 1] == 'O')
printf("Girdiginiz alan dolu...\n");
else {
a[ch - 1] = 'X';
break;
}
}
print_game(a, size, score_player, score_computer);
result = check_status(a, size);
print_result(result, &score_player, &score_computer);
if (result) {
print_game(a, size, score_player, score_computer);
break;
}
//pc playing
AI_Machine(a, 3);
print_game(a, size, score_player, score_computer);
result = check_status(a, size);
print_result(result, &score_player, &score_computer);
if (result) {
print_game(a, size, score_player, score_computer);
break;
}
}
}
if (score_player == 5) {
printf("\n\nSONUC : %d - %d kazandin...\n", score_player, score_computer);
getchar();
exit(EXIT_SUCCESS);
}
else {
printf("\n\nSONUC : %d - %d kaybettin...\n", score_player, score_computer);
getchar();
exit(EXIT_SUCCESS);
}
}
void print_game(char *a, int size, int score_player, int score_computer)
{
int k;
system("cls");
printf("Tic Tac Toe\n");
printf("===========\n");
printf("Sen : %d - Bilgisayar : %d\n\n", score_player, score_computer);
printf("-------------------------------------\n");
for (k = 0; k < size * size; k++) {
if (k % size == 0)
printf("\n\n");
printf("%-10c ", a[k]);
}
printf("\n\n-------------------------------------\n");
}
void print_result(int result, int *score_player, int *score_computer)
{
if (result == 1) {
printf("Tebrikler kazandiniz...\n");
getchar();
(*score_player)++;
}
else if (result == 2) {
printf("Uzgunum kaybettiniz...\n");
getchar();
(*score_computer)++;
}
else if (result == 3) {
printf("Oyun berabere bitti...\n");
getchar();
}
else
;
}
int check_status(char *a, int size)
{
int line, col;
int counterX, counterO;
int n_time;
int n2_time;
int k;
//horizontel
n_time = size;
for (line = 1 ; n_time-- ; line += size) {
counterX = 0, counterO = 0;
n2_time = size;
for (col = line; n2_time-- ; col++) {
switch (a[col - 1]) {
case 'X' : counterX++;
if (counterX == size)
return 1;
break;
case 'O' : counterO++;
if (counterO == size)
return 2;
break;
}
}
}
//vertical
n_time = size;
for (col = 1 ; n_time-- ; col++) {
counterX = 0, counterO = 0;
n2_time = size;
for (line = col; n2_time-- ; line += size) {
switch (a[line - 1]) {
case 'X' : counterX++;
if (counterX == size)
return 1;
break;
case 'O' : counterO++;
if (counterO == size)
return 2;
break;
}
}
}
//left to right
n_time = size;
counterX = 0, counterO = 0;
for (line = 1; n_time-- ; line += size + 1) {
switch (a[line - 1]) {
case 'X' : counterX++;
if (counterX == size)
return 1;
break;
case 'O' : counterO++;
if (counterO == size)
return 2;
break;
}
}
//right to left
n_time = size;
counterX = 0, counterO = 0;
for (line = size; n_time-- ; line += size - 1) {
switch (a[line - 1]) {
case 'X' : counterX++;
if (counterX == size)
return 1;
break;
case 'O' : counterO++;
if (counterO == size)
return 2;
break;
}
}
//game finish ?
for (k = 0; k < size * size; k++)
if (a[k] == '.')
return 0;
//even situation
return 3;
}
void AI_Machine(char *a, int size)
{
int line, col;
int n_time, n2_time;
int counter;
int random;
//Ozel Stratejiler
if (size == 3 && a[size + 1] == '.') {
a[size + 1] = 'O';
return ;
}
//strake
//horizontel
n_time = size;
for (line = 1 ; n_time--; line += size) {
counter = 0, n2_time = size;
for (col = line; n2_time--; col++) {
if (a[col - 1] == 'O') {
counter++;
continue;
}
if (a[col - 1] == 'X')
counter--;
}
if (counter == size - 1) {
col = line - 1;
while (a[col] != '.')
col++;
a[col] = 'O';
return ;
}
}
//vertical
n_time = size;
for (col = 1 ; n_time-- ; col++) {
counter = 0, n2_time = size;
for (line = col; n2_time-- ; line += size) {
if (a[line - 1] == 'O') {
counter++;
continue;
}
if (a[line - 1] == 'X')
counter--;
}
if (counter == size - 1) {
line = col - 1;
while (a[line] != '.')
line += size;
a[line] = 'O';
return ;
}
}
//left to right
counter = 0, n2_time = size;
for (col = 1; n2_time--; col += size + 1) {
if (a[col - 1] == 'O') {
counter++;
continue;
}
if (a[col - 1] == 'X')
counter--;
}
if (counter == size - 1) {
col = 1;
while (a[col - 1] != '.')
col += size + 1;
a[col - 1] = 'O';
return ;
}
//right to left
counter = 0, n2_time = size;
for (col = size; n2_time--; col += size - 1) {
if (a[col - 1] == 'O') {
counter++;
continue;
}
if (a[col - 1] == 'X')
counter--;
}
if (counter == size - 1) {
col = size ;
while (a[col - 1] != '.')
col += size - 1;
a[col - 1] = 'O';
return ;
}
//defence strategy
//horisontel
n_time = size;
for (line = 1 ; n_time--; line += size) {
counter = 0, n2_time = size;
for (col = line; n2_time--; col++) {
if (a[col - 1] == 'X') {
counter++;
continue;
}
if (a[col - 1] == 'O')
counter--;
}
if (counter == size - 1) {
col = line - 1;
while (a[col] != '.')
col++;
a[col] = 'O';
return ;
}
}
//buttom to up
n_time = size;
for (col = 1 ; n_time-- ; col++) {
counter = 0, n2_time = size;
for (line = col; n2_time-- ; line += size) {
if (a[line - 1] == 'X') {
counter++;
continue;
}
if (a[line - 1] == 'O')
counter--;
}
if (counter == size - 1) {
line = col - 1;
while (a[line] != '.')
line += size;
a[line] = 'O';
return ;
}
}
//from left to right
counter = 0, n2_time = size;
for (col = 1; n2_time--; col += size + 1) {
if (a[col - 1] == 'X') {
counter++;
continue;
}
if (a[col - 1] == 'O')
counter--;
}
if (counter == size - 1) {
col = 1;
while (a[col - 1] != '.')
col += size + 1;
a[col - 1] = 'O';
return ;
}
//control r
counter = 0, n2_time = size;
for (col = size; n2_time--; col += size - 1) {
if (a[col - 1] == 'X') {
counter++;
continue;
}
if (a[col - 1] == 'O')
counter--;
}
if (counter == size - 1) {
col = size ;
while (a[col - 1] != '.')
col += size - 1;
a[col - 1] = 'O';
return ;
}
//random choose
while (a[random = rand() % (size * size)] != '.')
;
a[random] = 'O';
}
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