rcc-legacy/tests/performance/25_swap_problem.sy


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int main() {
    int a;
    int b;
    int c;
    int i;
    a = 1;
    b = 2;
    i = 0;
    while (i < 9) {
        putint(a);
        c = a;
        a = b;
        b = c;
        i = i + 1;
    }
    return a;
}