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2310. 个位数字为 K 的整数之和
2022-07-05 08:57:00 【紫菜(Nori)】
参考:
class Solution {
public:
int minimumNumbers(int num, int k) {
// 空多重集的和为 0
if(num == 0){
return 0;
}
// 参考官方题解
for(int i = 1; i <= 10; i++){
if(i * k <= num && (num - (i * k)) % 10 == 0){
return i;
}
}
return -1;
}
};
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