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#include <stdlib.h> int main() { int val1 = 10; int val2 = 20; printf("val1 is %d\r\n",val1); printf("val2 is %d\r\n",val2); printf("\r\n"); val1 ^= val2; val2 ^= val1; val1 ^= val2; //val 1 is now 20 //val 2 is now 10 printf("val1 is now %d\r\n",val1); printf("val2 is now %d\r\n",val2); return EXIT_SUCCESS; }
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