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42 lines
794 B
42 lines
794 B
package class38;
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public class Code01_AppleMinBags {
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public static int minBags(int apple) {
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if (apple < 0) {
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return -1;
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}
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int bag8 = (apple >> 3);
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int rest = apple - (bag8 << 3);
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while(bag8 >= 0) {
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// rest 个
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if(rest % 6 ==0) {
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return bag8 + (rest / 6);
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} else {
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bag8--;
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rest += 8;
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}
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}
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return -1;
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}
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public static int minBagAwesome(int apple) {
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if ((apple & 1) != 0) { // 如果是奇数，返回-1
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return -1;
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}
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if (apple < 18) {
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return apple == 0 ? 0 : (apple == 6 || apple == 8) ? 1
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: (apple == 12 || apple == 14 || apple == 16) ? 2 : -1;
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}
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return (apple - 18) / 8 + 3;
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}
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public static void main(String[] args) {
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for(int apple = 1; apple < 200;apple++) {
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System.out.println(apple + " : "+ minBags(apple));
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}
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}
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}
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