advent-of-code/2023/2/main-2.cpp
2023-12-03 17:13:16 -08:00

37 lines
590 B
C++

#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int ret = 0, id = 0, r = 0, g = 0, b = 0;
while (!cin.eof()) {
switch (cin.get()) {
case 'G':
cin.ignore(4);
cin >> id;
break;
case ':': case ',': case ';':
cin.ignore(1);
int n;
cin >> n;
cin.ignore(1);
switch (cin.get()) {
case 'r': r = max(n, r); break;
case 'g': g = max(n, g); break;
case 'b': b = max(n, b); break;
}
break;
case '\n':
case EOF:
ret += r * g * b;
r = 0; g = 0; b = 0;
break;
}
}
cout << ret << '\n';
}