Submission #1035708

#	Time	Username	Problem	Language	Result	Execution time	Memory
1035708		modwwe	Sightseeing in Kyoto (JOI22_kyoto)	C++17	0 / 100	2 ms	604 KiB

kyoto

//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 debug cout<<" cucuucucuuu",down
#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".ans","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,s33;
int  i,s10,s12;
int kk;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
     fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo();
}
vector<int> v;
vector<int> v2;
int a[100001];
int b[100001];
int c[100002];
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++) cin>>a[i];
    for(int i=1; i<=m; i++) cin>>b[i];
    c[0]=inf;
    for(int i=1; i<=n; i++)
    {
        if(a[i]<c[i-1])
            c[i]=a[i],v.pb(i);
        else c[i]=c[i-1];
    }
    c[0]=inf;
    for(int i=1; i<=m; i++)
    {
        if(b[i]<c[i-1])
            c[i]=b[i],v2.pb(i);
        else c[i]=c[i-1];
    }
    l=0;
    r=0;
    s4=0;
    for(int i=1; i<=v.size()+v2.size()-2; i++)
    {
        s2=1e18;
        s3=1e18;
        if(l+1!=v.size())
        {
            s2=(a[v[l+1]]-a[v[l]])*(v2.back()-v2[r]);
        }
        if(r+1!=v2.size())
        {
            s3=(b[v2[r+1]]-b[v2[r]])*(v.back()-v[l]);
        }
        if(s2<s3) s4+=(v[l+1]-v[l])*b[v2[r]],l++;
        else s4+=(v2[r+1]-v2[r])*a[v[l]],r++;
    }
    v.clear();
    v2.clear();
    c[n+1]=inf;
    for(int i=n; i>=1; --i)
        if(a[i]<=c[i+1])
            c[i]=a[i],v.pb(i);
        else c[i]=c[i+1];
    c[m+1]=inf;
    for(int i=m; i>=1; --i)
        if(b[i]<=c[i+1])
            c[i]=b[i],v2.pb(i);
        else c[i]=c[i+1];
    reverse(v.begin(),v.end());
    reverse(v2.begin(),v2.end());
    l=0;
    r=0;
    v2.pb(v2.back());
    v.pb(v.back());
    for(int i=1; i<=v.size()+v2.size()-4; i++)
    { ///cout<<v.size()<<" "<<v2.size(),down
        s2=1e18;
        s3=1e18;
        if(l+1!=v.size()-1)
            s2=(a[v[l+1]]-a[v[l]])*(v2[r+1]-v2[r]);
        if(r+1!=v2.size()-1)
            s3=(b[v2[r+1]]-b[v2[r]])*(v[l+1]-v[l]);
        //cout<<l<<" "<<r<<" "<<s2<<" "<<s3,down
        if(s2<=s3) s4+=(v[l+1]-v[l])*b[v2[r]],      l++;
        else s4+=(v2[r+1]-v2[r])*a[v[l]],r++;
    }
    cout<<s4;
}

Compilation message (stderr)

kyoto.cpp:49:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   49 | main()
      | ^~~~
kyoto.cpp: In function 'void phongbeo()':
kyoto.cpp:86:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |     for(int i=1; i<=v.size()+v2.size()-2; i++)
      |                  ~^~~~~~~~~~~~~~~~~~~~~~
kyoto.cpp:90:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |         if(l+1!=v.size())
      |            ~~~^~~~~~~~~~
kyoto.cpp:94:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |         if(r+1!=v2.size())
      |            ~~~^~~~~~~~~~~
kyoto.cpp:119:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  119 |     for(int i=1; i<=v.size()+v2.size()-4; i++)
      |                  ~^~~~~~~~~~~~~~~~~~~~~~
kyoto.cpp:123:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |         if(l+1!=v.size()-1)
      |            ~~~^~~~~~~~~~~~
kyoto.cpp:125:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  125 |         if(r+1!=v2.size()-1)
      |            ~~~^~~~~~~~~~~~~
kyoto.cpp: In function 'int main()':
kyoto.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
kyoto.cpp:52:6: note: in expansion of macro 'fin'
   52 |      fin(task),fou(task);
      |      ^~~
kyoto.cpp:15:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 | #define fou(x) freopen(x".ans","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
kyoto.cpp:52:16: note: in expansion of macro 'fou'
   52 |      fin(task),fou(task);
      |                ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60