#include <stdio.h> #include <string.h> int main() { char word[] = "HELLO"; int length = strlen(word); char stack[20]; int top = -1; // Push every letter for (int i = 0; i < length; i++) { top++; stack[top] = word[i]; } // Pop every letter printf("Reversed: "); while (top != -1) { printf("%c", stack[top]); top--; } printf("\n"); return 0; }