제출 #955714

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
955714		vjudge1	Pinball (JOI14_pinball)	C++17	11 / 100	1102 ms	348 KiB

pinball

#include <bits/stdc++.h>

using namespace std;
long long m,n;
vector<tuple<long long,long long,long long,long long> > v;
long long odg=-1;

void proveri(string s)
{
    long long z=-1;
    long long r=0;
    for (long long i=0;i<n;i++)
    {
        long long p=i+1;
        for (long long j=0;j<m;j++)
        {
            if (s[j]=='1' && p>=get<0>(v[j]) && p<=get<1>(v[j]))
                p=get<2>(v[j]);

        }
        if (i==0) z=p;
        if (z!=p) return;
    }

    for (long long i=0;i<s.size();i++) if (s[i]=='1') r+=get<3>(v[i]);
    if (odg==-1) odg=r;
    else odg=min(odg,r);
}

void f(string s)
{
    if (s.size()==v.size())
    {
        proveri(s);
        return;
    }

    f(s+"0");
    f(s+"1");
}

int main()
{
    cin>>m>>n;
    for (long long i=0;i<m;i++)
    {
        long long a,b,c,d;
        cin>>a>>b>>c>>d;
        v.push_back({a,b,c,d});
    }

    f("");
    cout<<odg<<endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

pinball.cpp: In function 'void proveri(std::string)':
pinball.cpp:25:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for (long long i=0;i<s.size();i++) if (s[i]=='1') r+=get<3>(v[i]);
      |                        ~^~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 49