flames.c

#include <stdio.h>
#include <string.h>
#include <ctype.h>

/* Remove common characters */
void removeCommon(char a[], char b[]) {
    for (int i = 0; a[i] != '\0'; i++) {
        for (int j = 0; b[j] != '\0'; j++) {
            if (a[i] == b[j] && a[i] != '*') {
                a[i] = '*';
                b[j] = '*';
                break;
            }
        }
    }
}

/* Count remaining characters */
int countRemaining(char str[]) {
    int count = 0;
    for (int i = 0; str[i] != '\0'; i++) {
        if (str[i] != '*')
            count++;
    }
    return count;
}

/* FLAMES logic */
void flamesResult(int count) {
    char flames[] = "FLAMES";
    int len = 6;
    int index = 0;

    while (len > 1) {
        index = (index + count - 1) % len;
        for (int i = index; i < len - 1; i++) {
            flames[i] = flames[i + 1];
        }
        len--;
    }

    printf("\nResult: ");
    switch (flames[0]) {
        case 'F': printf("Friends\n"); break;
        case 'L': printf("Love\n"); break;
        case 'A': printf("Affection\n"); break;
        case 'M': printf("Marriage\n"); break;
        case 'E': printf("Enemy\n"); break;
        case 'S': printf("Siblings\n"); break;
    }
}

int main() {
    char name1[50], name2[50];

    printf("Enter first name: ");
    scanf("%s", name1);

    printf("Enter second name: ");
    scanf("%s", name2);

    // Convert to lowercase
    for (int i = 0; name1[i]; i++)
        name1[i] = tolower(name1[i]);
    for (int i = 0; name2[i]; i++)
        name2[i] = tolower(name2[i]);

    removeCommon(name1, name2);

    int total = countRemaining(name1) + countRemaining(name2);

    flamesResult(total);

    return 0;
}