Created
August 17, 2020 15:56
-
-
Save lishunan246/54d0739944ffdb417c2bf5316107fec6 to your computer and use it in GitHub Desktop.
Distribute Candies to People
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Solution { | |
public: | |
vector<int> distributeCandies(int candies, int num_people) { | |
vector<int> v(num_people, 0); | |
int round = 0; | |
int s = (1 + num_people) * num_people / 2; | |
int s_all = s; | |
while (candies > s_all) { | |
round++; | |
s += num_people * num_people; | |
s_all += s; | |
} | |
if (round > 0) { | |
for (int i = 0; i < v.size(); ++i) { | |
v[i] = (i + 1 + (i + 1 + (round - 1) * num_people)) * round / 2; | |
candies -= v[i]; | |
} | |
} | |
for (int i = 0; i < v.size(); ++i) { | |
int cur = i + 1 + round * num_people; | |
if (cur <= candies) { | |
v[i] += cur; | |
candies -= cur; | |
} | |
else { | |
v[i] += candies; | |
break; | |
} | |
} | |
return v; | |
} | |
}; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment