How to find remainder without using MODULUS OPERATOR in C?

Here is the source code for finding remainder without using MODULUS OPERATOR in C Language

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#include<stdio.h> int main() { int a,b,c; printf("Enter 1st no\n"); scanf("%d",&a); printf("Enter 2nd no\n"); scanf("%d",&b); c=a/b; c=c*b; b=a-c; printf("The remainder is %d \n",b); return 0; }

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