Write a C program to swap two numbers without using 3rd variable?

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Narendra

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#include<stdio.h> int main() { int a, b; printf("Enter two numbers:"); scanf("%d %d", &a, &b); a=a+b; b=a-b; a=a-b; printf("\nAfter swap a=%d b=%d",a,b); return 0; }
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#include<stdio.h> int main() { int a, b; printf("Enter two numbers:"); scanf("%d %d", &a, &b); a=a+b; b=a-b; a=a-b; printf("\nAfter swap a=%d b=%d",a,b); return 0; } read less
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