제출 #288704

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
288704		Ozy	선물상자 (IOI15_boxes)	C++17	10 / 100	1 ms	384 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i = (a); i <= (b); i++)

vector<int> izq,der,arr;
vector<long long int> cizq, cder;


long long int costo(vector<long long int> V,int pos, int K) {
    long long int res;

    res = 0;

    if (pos >= 0 && pos < V.size()) return V[pos];

    return res;
}

long long delivery(int N, int K, int L, int p[]) {
    long long int mitad,a,ini,fin,b,cont,Ma,Mb;
    long long int res,MIN,sum,l;

    res = 0;
    mitad = L/2;
    izq.clear();
    der.clear();
    arr.clear();
    cizq.clear();
    cder.clear();

    rep(i,0,N-1) {
        if (p[i] <= mitad) {
            izq.push_back(p[i]);
            if (izq.size() > K) cizq.push_back(2 * p[i] + cizq[izq.size() - K - 1]);
            else cizq.push_back(2 * p[i]);
        }
        else {
            der.push_back(L - p[i]);
            if (der.size() > K) cder.push_back(2 * (L - p[i]) + cder[der.size() - K - 1]);
            else cder.push_back(2 * (L - p[i]));
        }

    }
    if (!der.empty()) {
        reverse(der.begin(), der.end());
        reverse(cder.begin(), cder.end());
    }


    MIN = costo(cder,der.size()-1,K) + costo(cizq,izq.size()-1,K);

    rep(i,0,K) {

        a = L + costo(cder,der.size()-1-i,K) + costo(cizq, izq.size()-1-(K-i) ,K);
        MIN = min(MIN,a);

    }

    cerr << MIN;
    return MIN;

}

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp: In function 'long long int costo(std::vector<long long int>, int, int)':
boxes.cpp:16:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     if (pos >= 0 && pos < V.size()) return V[pos];
      |                     ~~~~^~~~~~~~~~
boxes.cpp:11:58: warning: unused parameter 'K' [-Wunused-parameter]
   11 | long long int costo(vector<long long int> V,int pos, int K) {
      |                                                      ~~~~^
boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:36:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |             if (izq.size() > K) cizq.push_back(2 * p[i] + cizq[izq.size() - K - 1]);
      |                 ~~~~~~~~~~~^~~
boxes.cpp:41:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |             if (der.size() > K) cder.push_back(2 * (L - p[i]) + cder[der.size() - K - 1]);
      |                 ~~~~~~~~~~~^~~
boxes.cpp:52:32: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   52 |     MIN = costo(cder,der.size()-1,K) + costo(cizq,izq.size()-1,K);
      |                      ~~~~~~~~~~^~
boxes.cpp:52:61: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   52 |     MIN = costo(cder,der.size()-1,K) + costo(cizq,izq.size()-1,K);
      |                                                   ~~~~~~~~~~^~
boxes.cpp:56:40: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   56 |         a = L + costo(cder,der.size()-1-i,K) + costo(cizq, izq.size()-1-(K-i) ,K);
      |                            ~~~~~~~~~~~~^~
boxes.cpp:56:72: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   56 |         a = L + costo(cder,der.size()-1-i,K) + costo(cizq, izq.size()-1-(K-i) ,K);
      |                                                            ~~~~~~~~~~~~^~~~~~
boxes.cpp:22:27: warning: unused variable 'ini' [-Wunused-variable]
   22 |     long long int mitad,a,ini,fin,b,cont,Ma,Mb;
      |                           ^~~
boxes.cpp:22:31: warning: unused variable 'fin' [-Wunused-variable]
   22 |     long long int mitad,a,ini,fin,b,cont,Ma,Mb;
      |                               ^~~
boxes.cpp:22:35: warning: unused variable 'b' [-Wunused-variable]
   22 |     long long int mitad,a,ini,fin,b,cont,Ma,Mb;
      |                                   ^
boxes.cpp:22:37: warning: unused variable 'cont' [-Wunused-variable]
   22 |     long long int mitad,a,ini,fin,b,cont,Ma,Mb;
      |                                     ^~~~
boxes.cpp:22:42: warning: unused variable 'Ma' [-Wunused-variable]
   22 |     long long int mitad,a,ini,fin,b,cont,Ma,Mb;
      |                                          ^~
boxes.cpp:22:45: warning: unused variable 'Mb' [-Wunused-variable]
   22 |     long long int mitad,a,ini,fin,b,cont,Ma,Mb;
      |                                             ^~
boxes.cpp:23:19: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   23 |     long long int res,MIN,sum,l;
      |                   ^~~
boxes.cpp:23:27: warning: unused variable 'sum' [-Wunused-variable]
   23 |     long long int res,MIN,sum,l;
      |                           ^~~
boxes.cpp:23:31: warning: unused variable 'l' [-Wunused-variable]
   23 |     long long int res,MIN,sum,l;
      |                               ^

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