题解 | #进制转换#

#include <stdio.h>

int main() {
    char hexString[20]; // Assuming maximum length of input is 20 characters
    while (scanf("%s", hexString) != EOF) { // Keep reading input until end of file
        unsigned int decimalValue;
        sscanf(hexString, "%x", &decimalValue); // Convert hexadecimal input to decimal
        printf("%u\n", decimalValue); // Print decimal output
    }
    return 0;
}