96. Convert Uppercase Letters to Lowercase

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Code

#include <stdio.h>
#include <stdint.h>

void to_lowercase(char *str) {
    // Your logic here
    int len = 0;
    while (*(str + len) != '\0') {
        len ++;
    }
    for (int i = 0; i < len; i ++) {
        if (*(str + i) >= 'A' && *(str + i) <= 'Z') {
            *(str + i) += 32;
        }
    }
}

int main() {
    char str[101];
    fgets(str, sizeof(str), stdin);

    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') {
            str[i] = '\0';
            break;
        }
        i++;
    }

    to_lowercase(str);
    printf("%s", str);
    return 0;
}

Solving Approach

 

 

 

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