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59 changes: 33 additions & 26 deletions Sudoku2.9.c
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Original file line number Diff line number Diff line change
@@ -1,17 +1,20 @@
/*Sudoku 2.8
*Written and compiled on gcc 9.3.0, Ubuntu 20.04
*Does not run on windows platforms*/
*Code includes certain functions that would require different libraries on windows platform */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <termios.h>
#include <string.h>
#include <limits.h>
struct highscore {
struct highscore { // To keep a track of the minimum time the user takes to solve the code
int score[5];
char name[5][21];
};

//Declaration of the funcitons used in the code

void display(short[9][9]);
void genpuz(short[9][9], int);
void respuz(short[9][9], int);
Expand All @@ -26,20 +29,21 @@ void about(void);
void prinths(int);
void writehs(int, int);
int main(void) {
system("printf '\033[8;22;87t'"); //First all setting the screen size suitable for our game.

system("/usr/X11/bin/resize -s 22 87 "); //To resize the user window for better visual experience
short A[9][9];
int n;
struct termios def, off;
tcgetattr(STDIN_FILENO, &def);
off = def;
off.c_lflag &= ~(ECHO | ICANON);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &off);
printf("\e[?25l");//hide curser
printf("\e[?25l"); //hiding the curser
do {
mainmenu: // Here is the generation of main menu which will appear at the start screen.
mainmenu: // Code for generating the main menu which will appear at the home screen.
fflush(stdout);
system("clear");
printf("1: Game\n2: Solver\n3: Help\n4: Highscore\n5: About\n6: Exit");
printf("1: Game\n2: Solver\n3: Help\n4: Highscore\n5: About\n6: Exit"); //Home menu options
n = getin();
int q, opt, x = 0, y = 0;
switch (n) {
Expand All @@ -49,7 +53,7 @@ int main(void) {
do {
fflush(stdout);
system("clear");
printf("New Game\n1: Easy\n2: Medium\n3: Hard\n4: Extreme\nq: Main Menu");
printf("New Game\n1: Easy\n2: Medium\n3: Hard\n4: Extreme\nq: Main Menu"); //Putting up the options for the users
q = getin();
} while (!(q >= 1 && q <= 4 || q == -2));
long tstart, ttaken;
Expand All @@ -76,8 +80,8 @@ int main(void) {
display(A);
time(&ttaken);
ttaken -= tstart;
printf("\e[8;44fTime taken: %ld mins %ld sec", ttaken / 60, ttaken % 60);
printf("\e[9;44f1: Clear Input\e[10;44f2: View Solution\e[11;44f3: New Puzzle\e[12;44f4: Main Menu\e[13;44f5: Quit");
printf("\e[8;44fTime taken: %ld mins %ld sec", ttaken / 60, ttaken % 60);
printf("\e[9;44f1: Clear Input\e[10;44f2: View Solution\e[11;44f3: New Puzzle\e[12;44f4: Main Menu\e[13;44f5: Quit"); //Whenever the users presses q we put up the pause menu
opt = getin();
switch (opt) {
case 1:
Expand Down Expand Up @@ -107,11 +111,11 @@ int main(void) {
time(&ttaken);
ttaken -= tstart;
display(A);
printf("\e[11;44fCongratulations! You won!");
printf("\e[11;44fCongratulations! You Solved The Sudoku!");
printf("\e[12;44fTime taken: %ld mins %ld sec", ttaken / 60, ttaken % 60);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &def); //enable canonoical nd echo
tcsetattr(STDIN_FILENO, TCSAFLUSH, &def); //enable canonoical nd echo
writehs(q, (int)ttaken);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &off); //disable
tcsetattr(STDIN_FILENO, TCSAFLUSH, &off); //disable
getin();
fflush(stdout);
break;
Expand Down Expand Up @@ -299,10 +303,10 @@ int isallowed(short A[9][9], int m, int n, int k) {
void genpuz(short A[9][9], int d) {
int r[9], z = 0, tmp, i, j, k;
srand(time(0));
for (i = 0;i < 9;i++) {//fill array r
for (i = 0;i < 9;i++) { //fill array r
r[i] = i + 1;
}
do {//shuffle array r and enter it to diagonal elements
do { //shuffle array r and enter it to diagonal elements
for (i = 9;i > 0;i--) {
k = rand() % i;
tmp = r[i - 1];
Expand All @@ -319,7 +323,7 @@ void genpuz(short A[9][9], int d) {
z += 3;
} while (z != 9);
solve(A, 0, 0);
for (int i = 0;i < 81 - d;i++) {//remove random
for (int i = 0;i < 81 - d;i++) { //remove random
int a = rand() % 9;
int b = rand() % 9;
if (A[a][b] != 0) {
Expand All @@ -334,14 +338,14 @@ void genpuz(short A[9][9], int d) {
void respuz(short A[9][9], int mode) {
int i, j;
switch (mode) {
case 0://clear
case 0: //clear
for (i = 0;i < 9;i++) {
for (j = 0;j < 9;j++) {
A[i][j] = 0;
}
}
break;
case 1://clearusrinput
case 1: //clear user input
for (i = 0;i < 9;i++) {
for (j = 0;j < 9;j++) {
if (A[i][j] < 10) {
Expand All @@ -350,7 +354,7 @@ void respuz(short A[9][9], int mode) {
}
}
break;
case 2://upgradesys
case 2: //upgrade sys
for (i = 0;i < 9;i++) {
for (j = 0;j < 9;j++) {
if (A[i][j] != 0) {
Expand All @@ -359,7 +363,7 @@ void respuz(short A[9][9], int mode) {
}
}
break;
case 3://downgradesys
case 3: //downgrade sys
for (int i = 0;i < 9;i++) {
for (int j = 0;j < 9;j++) {
if (A[i][j] > 10) {
Expand Down Expand Up @@ -414,7 +418,7 @@ int solve(short A[9][9], int i, int j) {
}
return 0;
}
short chkcomp(short A[9][9]) {//checks if all cells are filled
short chkcomp(short A[9][9]) { //checks if all cells are filled
for (int i = 0;i < 9;i++) {
for (int j = 0;j < 9;j++) {
if (A[i][j] == 0) {
Expand All @@ -424,7 +428,7 @@ short chkcomp(short A[9][9]) {//checks if all cells are filled
}
return 1;
}
void prinths(int n) {//1 for easy
void prinths(int n) { //1 for easy
n--;
fflush(stdout);
system("clear");
Expand Down Expand Up @@ -456,7 +460,7 @@ void writehs(int n, int score) {
int i;
char name[21];
FILE* fptr;
if ((fptr = fopen("sudoku.bin", "rb")) == NULL) {//if no file
if ((fptr = fopen("sudoku.bin", "rb")) == NULL) { //if no file
fptr = fopen("sudoku.bin", "wb");
for (i = 0;i < 4;i++) {
for (int j = 0;j < 5;j++) {
Expand All @@ -481,8 +485,8 @@ void writehs(int n, int score) {
printf("\e[13;44f");
}
printf("Enter your name : ");
fgets(name, 21, stdin); //supports space & avoid buffer overflow
printf("\e[?25l"); //hidecursor
fgets(name, 21, stdin); //supports space & avoids buffer overflow
printf("\e[?25l"); //hides cursor
for (i;i < 5;i++) {
d[n].score[4] = d[n].score[i];
d[n].score[i] = score;
Expand Down Expand Up @@ -518,8 +522,8 @@ void about(void) {
char c;
fflush(stdout);
system("clear");
printf("Sudoku v2.9\n\nDeveloped on the behalf of computer science project of sem-I of batch 2020-2024,\nIndian Institute of Information Technology Kalyani\n\n");
printf("Inspired by Dr. Bhaskar Biswas\n\n");
printf("Sudoku v2.9\n\nDeveloped as a computer science project by the students of sem-I of batch 2020-2024,\nIndian Institute of Information Technology Kalyani\n\n");
printf("Inspired by Dr. Bhaskar Biswas Innovated by Team Brogrammers\n\n");
printf("Credits:\nAli Asad Quasim\nApurba Nath\nDevadi Yekaditya\nHritwik Ghosh\nMislah Rahman\nSoumalya Biswas\nSriramsetty Bhanu Teja\nSuryansh Sisodia\nVemana Joshua Immanuel\nYashraj Singh");
fflush(stdout);
read(STDIN_FILENO, &c, 1);
Expand All @@ -528,6 +532,9 @@ void display(short A[9][9]) {
fflush(stdout);
system("clear");
//printf("\e[38;5;166m");//add for color

//Printing the Grid

printf("\n ╔═══╤═══╤═══╦═══╤═══╤═══╦═══╤═══╤═══╗\n ║ │ │ ║ │ │ ║ │ │ ║\n ╟───┼───┼───╫───┼───┼───╫───┼───┼───╢\n ║ │ │ ║ │ │ ║ │ │ ║\n ╟───┼───┼───╫───┼───┼───╫───┼───┼───╢\n ║ │ │ ║ │ │ ║ │ │ ║\n ╠═══╪═══╪═══╬═══╪═══╪═══╬═══╪═══╪═══╣\n ║ │ │ ║ │ │ ║ │ │ ║\n ╟───┼───┼───╫───┼───┼───╫───┼───┼───╢\n ║ │ │ ║ │ │ ║ │ │ ║\n ╟───┼───┼───╫───┼───┼───╫───┼───┼───╢\n ║ │ │ ║ │ │ ║ │ │ ║\n ╠═══╪═══╪═══╬═══╪═══╪═══╬═══╪═══╪═══╣\n ║ │ │ ║ │ │ ║ │ │ ║\n ╟───┼───┼───╫───┼───┼───╫───┼───┼───╢\n ║ │ │ ║ │ │ ║ │ │ ║\n ╟───┼───┼───╫───┼───┼───╫───┼───┼───╢\n ║ │ │ ║ │ │ ║ │ │ ║\n ╚═══╧═══╧═══╩═══╧═══╧═══╩═══╧═══╧═══╝\n\n");
//printf("\e[m");//add for color
for (int i = 0;i < 9;i++) {
Expand Down