Conditions and loops
if / else, switch, for, the range-based for, and while.
Runs in Zerethon IDE · C++ (GCC 14)
Official C++ documentation ↗
main.cpp
#include <iostream>
#include <vector>
int main() {
for (int n = 1; n <= 4; n++) {
if (n % 2 == 0) {
std::cout << n << " even\n";
} else {
std::cout << n << " odd\n";
}
}
std::vector<std::string> fruits{"apple", "pear"};
for (const auto& fruit : fruits) std::cout << fruit << '\n';
int i = 3;
while (i > 0) {
--i;
if (i == 1) continue;
std::cout << "i = " << i << '\n';
}
}Output
1 odd 2 even 3 odd 4 even apple pear i = 2 i = 0
Tip: for (const auto& x : container) reads each element without copying it; drop const to change elements in place.