RockPaperScissors.c

rock paper scissors.c

@@ -0,0 +1,109 @@
+#include <stdio.h>
+#include <conio.h>
+#include <math.h>
+#include <strings.h>
+#include <stdlib.h>
+int generaterandomnumber(int n)
+{
+    srand(time(NULL));
+    return rand()%n;
+}
+int greater (char char1, char char2)
+{
+    //first compare
+    if  (char1==char2)
+    {
+        return -1;
+    }
+    if ((char1='R') && (char2=='S'))
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    }
+    if  (char1==char2)
+    {
+        return -1;
+    }
+
+    //next compare
+    if ((char1='P') && (char2=='R'))
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    }
+// last compare
+    if  (char1==char2)
+    {
+        return -1;
+    }
+    if ((char1='S') && (char2=='P'))
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+int main()
+{
+    int playerscore =0, compscore=0,temp;
+    char playerchar, compchar;
+    char dict[]= {'R','P','S'};
+    printf("welcome to the rock paper scissors\n Player 1's turn:");
+    scanf("%d",&temp);
+
+    for (int i=0; i< 3; i++ )
+    {
+        // user input
+        printf("Player 1's turn\n");
+        printf("choose 1 for Rock, 2 for Paper and 3 for Scissors\n");
+        scanf("%d",&temp);
+        playerchar=dict[temp-1];
+        printf("you choose  %c\n\n",playerchar);
+
+            // computer input
+        printf("Computer's turn\n");
+        printf("choose 1 for Rock, 2 for Paper and 3 for Scissors\n");
+        temp=generaterandomnumber(3) +1;
+        compchar=dict[temp-1];
+        printf("CPU choose %c\n\n",compchar);
+
+
+        //
+        if (greater(compchar,playerchar)==1)
+        {
+            compscore+=1;
+        }
+        else if (greater (compchar, playerchar)==-1)
+        {
+            compscore +=1;
+            playerscore +=1;
+        }
+        else
+        {
+            playerscore +=1;
+        }
+    }
+    if (playerscore > compscore)
+    {
+     printf("you won");
+    }
+    else if (playerscore<compscore)
+    {
+        printf("you lost");
+    }
+    else
+    {
+        printf("it is a draw");
+    }
+
+    return 0; 
+}