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/*
Challenge 240
Task 1: Acronym
Submitted by: Mohammad S Anwar
You are given an array of strings and a check string.
Write a script to find out if the check string is the acronym of the words in
the given array.
Example 1
Input: @str = ("Perl", "Python", "Pascal")
$chk = "ppp"
Output: true
Example 2
Input: @str = ("Perl", "Raku")
$chk = "rp"
Output: false
Example 3
Input: @str = ("Oracle", "Awk", "C")
$chk = "oac"
Output: true
*/
#include <algorithm>
#include <cctype>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
void usage(void) {
cerr << "Usage: ch-1 -str s1 s2 s3 ... -chk check" << endl;
exit(EXIT_FAILURE);
}
int main(int argc, char* argv[]) {
vector<string> strs;
string check, inits;
// parse args
int i = 1;
while (i < argc) {
string arg = argv[i];
if (arg=="-str") {
i++;
while (i < argc && argv[i][0] != '-') {
strs.emplace_back(argv[i]);
i++;
}
}
else if (arg=="-chk") {
i++;
if (i < argc) {
check = argv[i];
i++;
}
}
else {
usage();
}
}
if (strs.empty() || check.empty())
usage();
// process
transform(check.begin(), check.end(), check.begin(), ::tolower);
for (size_t i = 0; i < strs.size(); i++) {
inits.push_back(tolower(strs[i].front()));
}
if (inits==check) {
cout << "true" << endl;
}
else {
cout << "false" << endl;
}
}
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