HackerRank# The Coin Change Problem 原题地址 背包问题,没啥好说的,记得用long long,否则会爆 代码: 1#include <cmath>2#include <cstdio>3#include <vector>4#include <iostream>5#include <algorithm>6#include <cstring>7usingnamespacestd;89#defineMAX_N 25610#defineMAX_M 641112longlongf[MAX_N];...
If coin order matters, that is, each sequence is unique, the DP function is simple enough to make it 1D DP. But key is that order DOESN'T matter, so we need to add one more state: ending coin. And for each DP advance step, we only put >= coins. #include <iostream>#include<vec...
If coin order matters, that is, each sequence is unique, the DP function is simple enough to make it 1D DP. But key is that order DOESN'T matter, so we need to add one more state: ending coin. And for each DP advance step, we only put >= coins. #include <iostream>#include<vec...