제출 #1008662

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1008662		modwwe	이상한 기계 (APIO19_strange_device)	C++17	100 / 100	408 ms	32648 KiB

strange_device

//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int inf=1e18;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
///     fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo(),down
}
vector<ib> v;
ib a[1000001];
bool cmp(ib a,ib b)
{
    return a.a<b.a;
}
void phongbeo()
{
    cin>>n>>l>>r;
    for(int i=1; i<=n; i++)
        cin>>a[i].a>>a[i].b,s2=max(s2,a[i].b);
    s3=l/__gcd(l,r+1);
    s5=s2/r;
    if(s3>s5)
    {
        for(int i=1; i<=n; i++)
            v.pb({a[i].a,a[i].b});
    }
    else
    {
        s3=r*s3;
        for(int i=1; i<=n; i++)
        {
            if(a[i].a/s3!=a[i].b/s3)
                v.pb({a[i].a%s3,s3-1}),
                     v.pb({0,a[i].b%s3});
            else
            {
                v.pb({a[i].a%s3,a[i].b%s3});
            }
        }
    }
    s2=-1;
    s3=0;
    sort(v.begin(),v.end(),cmp);
    for(int i=0; i<v.size(); i++)
    {
        //cout<<v[i].a-1<<" "<<v[i].b<<" "<<s2,down
        s2=max(v[i].a-1,s2);
        s3+=max(0ll,v[i].b-s2);
        s2=max(s2,v[i].b);
    }
    cout<<s3;
}

컴파일 시 표준 에러 (stderr) 메시지

strange_device.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main()
      | ^~~~
strange_device.cpp: In function 'void phongbeo()':
strange_device.cpp:92:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<ib>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   92 |     for(int i=0; i<v.size(); i++)
      |                  ~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20
• Subtask 8: 30 / 30