48 lines
No EOL
909 B
C++
48 lines
No EOL
909 B
C++
#include <iostream>
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#include <map>
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#include <fstream>
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using namespace std;
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int main () {
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int twice = 0;
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int thrice = 0;
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ifstream input;
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input.open("input");
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string line;
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while (getline(input, line)) {
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map<char, int> freqs;
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for (string::const_iterator it = line.begin(); it != line.end(); ++it) {
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auto found = freqs.find(*it);
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if (found == freqs.end()) {
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freqs.insert(pair<char,int>(*it, 1));
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} else {
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found->second++;
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}
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}
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int twice_found = false;
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int thrice_found = false;
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for (map<char, int>::const_iterator it = freqs.begin(); it != freqs.end(); ++it) {
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if (it->second == 2) {
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twice_found = true;
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} else if (it->second == 3) {
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thrice_found = true;
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}
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}
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if (twice_found) {
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++twice;
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}
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if (thrice_found) {
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++thrice;
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}
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}
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cout << (twice * thrice) << endl;
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} |