제출 #623492

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
623492		teki	선물상자 (IOI15_boxes)	C++11	20 / 100	1 ms	304 KiB

boxes

#include <bits/stdc++.h>
#ifndef LOCAL_DEBUG
    #include "boxes.h"
#endif

#define pb push_back
#define MS(x,y) memset((x), (y), sizeof((x)))
typedef long long ll;
const ll MN = 1000000007;

using namespace std;

ll delivery (int n2, int k2, int l2, int pos2[]) {
    ll n,k,l,pos[n2];
    n = n2, k = k2, l = l2;
    for (int i = 0; i<n; i++) pos[i] = pos2[i];

    if (k == 1) {
        ll res = 0;

        for (int i = 0; i<n; i++) res += min(pos[i],l-pos[i])*2;

        return res;
    }

    if (k == n) {
        ll maxi = 0, mini = MN;

        for (int i = 0; i<n; i++) {
            maxi = max(maxi,pos[i]);
            mini = min(mini,pos[i]);
        }

        ll res1 = maxi*2;
        ll res2 = (l-mini)*2;
        ll res3 = MN;

        sort(pos,pos+n);

        for (int i = 0; i<n-1; i++) res3 = min(res3,pos[i]*2+(l-pos[i+1])*2);

        return min(min(res1,res2), min(res3,l));
    }
}

#ifdef LOCAL_DEBUG
int main() {
    #ifdef LOCAL_DEBUG
        fstream cin("in.txt");
    #endif

    ios_base::sync_with_stdio(false);
    cout.tie(0);
    cin.tie(0);


}
#endif

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp: In function 'll delivery(int, int, int, int*)':
boxes.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type]
   44 | }
      | ^

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30