제출 #1117531

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1117531		heeheeheehaaw	나일강 (IOI24_nile)	C++17	17 / 100	2037 ms	9336 KiB

nile

#include <iostream>
#include <fstream>
#include <vector>
#include <cmath>
#include <algorithm>
#include "nile.h"

using namespace std;

struct art
{
    int w,a,b;
};

bool compare(art a,art b)
{
    return a.w<b.w;
}

vector<art> artifact;

long long sol(vector<art> v,int d)
{
    long long price=0;
    for(int i=0;i<v.size();i++)
    {
        price+=v[i].b;
    }
    if(v.size()%2==0)
        return price;
    long long minn=999999999999999999;
    for(int i=0;i<v.size();i++)
    {
        if((i==0 or i==v.size()-1) or (abs(v[i].a-v[i].b)<=d))
            minn=min(minn,(long long)abs(v[i].a-v[i].b));
    }
    return price+minn;
}

vector<long long> calculate_costs(vector<int> W, vector<int> A, vector<int> B, vector<int> E)
{
    int n = W.size();
    for(int i=0;i<n;i++)
    {
        art x;
        x.w = W[i];
        x.a = A[i];
        x.b = B[i];
        artifact.push_back(x);
    }
    sort(artifact.begin(),artifact.end(),compare);
    int q = E.size();
    long long price=0;
    vector<long long> R;
    for(int matale = 0; matale < q; matale++)
    {
        price=0;
        int d = E[matale];
        vector<art> v;
        v.push_back(artifact[0]);
        for(int i=1;i<artifact.size();i++)
        {
            if(abs(artifact[i-1].w-artifact[i].w)<=d)
                v.push_back(artifact[i]);
            else
                price+=sol(v,d),v.clear(),v.push_back(artifact[i]);

        }
        price+=sol(v,d);
        R.push_back(price);
    }

    return R;

}

컴파일 시 표준 에러 (stderr) 메시지

nile.cpp: In function 'long long int sol(std::vector<art>, int)':
nile.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<art>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
nile.cpp:32:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<art>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
nile.cpp:34:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<art>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         if((i==0 or i==v.size()-1) or (abs(v[i].a-v[i].b)<=d))
      |                     ~^~~~~~~~~~~~
nile.cpp: In function 'std::vector<long long int> calculate_costs(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
nile.cpp:61:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<art>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |         for(int i=1;i<artifact.size();i++)
      |                     ~^~~~~~~~~~~~~~~~

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