// bench_bc2.cvm — 大量算术/比较/分支，考验 VM 综合能力
let total = 0;
let t0 = clock_ms();
let i = 0;
while (i < 10000000) {
    let a = i;
    let b = i + 1;
    let c = i * 3;
    if (a < b) {
        total = total + a;
    } else {
        total = total - a;
    }
    if (c % 7 == 0) {
        total = total + c;
    }
    if (i % 2 == 0) {
        total = total + 1;
    } else {
        total = total - 1;
    }
    i = i + 1;
}
let t1 = clock_ms();
println("total=" + str(total) + " time=" + str(t1 - t0) + "ms");