49 lines
1.6 KiB
Rust
49 lines
1.6 KiB
Rust
fn main() {
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let all_modules: [i32; 100] = [
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83568, 132382, 65095, 105082, 138042, 59055, 79113, 123950, 59773, 55031, 56499, 122835,
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123608, 82848, 109981, 115633, 126241, 137240, 54983, 129523, 101517, 90879, 82446, 105897,
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108653, 130530, 113607, 140338, 125646, 112605, 68080, 105466, 93462, 147116, 127370,
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128362, 83129, 146946, 102658, 62824, 52950, 119301, 61671, 92820, 139579, 93816, 148535,
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77893, 80523, 69543, 51773, 144074, 100340, 64565, 68404, 88923, 144824, 87836, 51209,
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99770, 111044, 144978, 56585, 137236, 73290, 86608, 72415, 57783, 130619, 109599, 59655,
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99708, 118488, 104989, 93812, 135899, 110396, 89346, 119482, 67292, 143810, 64085, 104169,
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145618, 104035, 75765, 88638, 139325, 89099, 132807, 117255, 98029, 114780, 104708, 100671,
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98052, 141263, 149844, 117643, 123410,
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];
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let mut result = 0;
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for &i in all_modules.iter() {
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result += fuel_calc(i);
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}
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println!("Part1: I need {} fuel for all modules", result);
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//all_modules.map(fuel_calc).sum()
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//all_modules.map(fuel_calc).sum()
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println!("Part2: I need {} fuel for all modules", all_modules.iter().fold(0, |sum, &x | fuel_tyranny(x) + sum ));
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}
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fn fuel_calc(mass: i32) -> i32 {
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mass / 3 - 2
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}
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fn fuel_tyranny(mass: i32) -> i32 {
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let fuel = fuel_calc(mass);
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if fuel <= 0 {
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return 0;
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}
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fuel+fuel_tyranny(fuel)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_it() {
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assert_eq!(fuel_calc(12), 2);
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assert_eq!(fuel_calc(14), 2);
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assert_eq!(fuel_calc(1969), 654);
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assert_eq!(fuel_calc(100756), 33583);
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}
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}
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