제출 #444493

#제출 시각아이디문제언어결과실행 시간메모리
444493fuad27선물상자 (IOI15_boxes)C++14
20 / 100
1 ms236 KiB
#include<bits/stdc++.h> #include "boxes.h" using namespace std; typedef long long ll; long long subtask2(int N, int L, int p[]) { long long r = min(p[N-1]*2, min(2*(L-p[0]), L)); for(int i = 0;i<N;i++) { if(i < N-1) r = min(r, 2L*p[i] + 2L*(L - ll(p[i+1]))); else r = min(r, ll(2)*p[i] + ll(2)*(L - 1)); } return r; } long long subtask1(int N,int L, int p[]) { long long sum = 0; for(int i = 0;i<N;i++) { sum += min(p[i], L-p[i])*2; } return sum; } long long delivery(int N, int K, int L, int p[]) { if(K == 1) { sort(p, p+N); return subtask1(N,L,p); } if(K == N) { sort(p, p+N); return subtask2(N, L, p); } return 0; } /*int main () { int p[2] = {1, 3}; cout<<delivery(2, 2, 4, p); return 0; }*/
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