제출 #1162503

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1162503		modwwe	Bodyguard (JOI21_bodyguard)	C++20	0 / 100	4549 ms	2162688 KiB

bodyguard

//#include "park.h"
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int   long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task2 "top1tst"
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define mask(k) (1ll<<k)
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l,int r)
{
    return uniform_int_distribution<int>(l,r)(rd);
}
void phongbeo();
const int inf=1e9;
const int mod2 = 1e9+7;
//const int base=67;
int  n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
int  i, s10, s12,k1,k2,k3,s11,lim,w,l,r,dem5,dem6,dem7,dem9,now,root,q,start,en;
int kk;
int el = 19;
main()
{
    ///top1tst
    if(fopen(task2".inp","r"))
    {
        fin(task2);
        fou(task2);
    }
    ///top1tst
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    ///top1tst
    ios_base::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
//   cin>>s1;
    // int t;cin>>t;while(t--)
    phongbeo(),down
    checktime
    ///top1tst
}
struct cscd
{
    int t,a,b,c,finish;
};
struct id
{
    int a,b,c,d;
};
struct ib
{
    int a,b;
};
cscd a[2801];
int dp[2801][2801];
int f[2801][2801];
int maxx[2801];
int ans[2801];
vector<id> v;
vector<ib> all[2801];
vector<int> cx,cy;
bool cmp(id a,id b)
{
    return a.c+a.d>b.c+b.d;
}
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
    {
        cin>>a[i].t>>a[i].a>>a[i].b>>a[i].c,a[i].finish=abs(a[i].a-a[i].b)+a[i].t;
        cx.pb(a[i].t-a[i].a);
        cx.pb({a[i].t+a[i].a});
    }
    for(int i=1; i<=n; i++)
        for(int j=i+1; j<=n; j++)
        {
            if(abs(a[i].a-a[j].a)<=abs(a[i].t-a[j].t))
            {
                s2=abs(a[i].a-a[j].a);
                s3=abs(a[i].t-a[j].t);
                s4=(s3-s2)/2+1;
                v.pb({i,j,max(a[i].t,a[j].t),s4});
                continue;
            }
            if((a[i].a-a[i].b)*(a[j].a-a[j].b)>=0)
            {
            }
            else
            {
                if(a[i].a>=a[i].b&&a[j].a<=a[j].b)
                {
                    if(a[i].a<a[j].a) continue;
                }
                else
                {
                    if(a[j].a<a[i].a) continue;
                }
                /**a-(t-z)=x+(t-f)
                   a-x=(t-z)+(t-f)
                   a-x=2*t-z-f
                */
                s2=abs(a[i].a-a[j].a+a[i].t+a[j].t);
                s2=(s2+1)/2;
                v.pb({i,j,s2,0});
            }
        }
    sort(v.begin(),v.end(),cmp);
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            dp[i][j]=-inf;
    for(int i=1; i<=n; i++)
        dp[i][i]=0,maxx[i]=(a[i].finish)*a[i].c,f[i][i]=a[i].finish+1;
    for(auto x:v)
    {
        if(x.d!=0)
        {
            x.d-=1;
            if(a[x.a].t<a[x.b].t)swap(x.a,x.b);
            dp[x.b][x.a]=maxx[x.a]-(a[x.a].c*a[x.a].t);
            f[x.b][x.a]=min(x.c+x.d,a[x.a].finish+1);
            maxx[x.b]=max(maxx[x.b],dp[x.b][x.a]+min(x.c+x.d,a[x.b].finish+1)*a[x.b].c-a[x.b].c);
        }
        else
        {
            dp[x.a][x.b]=maxx[x.b]-min(a[x.b].finish+1,x.c)*a[x.b].c;
            dp[x.b][x.a]=maxx[x.a]-min(a[x.a].finish+1,x.c)*a[x.a].c;
            f[x.a][x.b]=min(x.c+x.d,a[x.a].finish+1);
            f[x.b][x.a]=min(x.c+x.d,a[x.b].finish+1);
            maxx[x.a]=max(maxx[x.a],dp[x.a][x.b]+min(x.c+x.d,a[x.a].finish+1)*a[x.a].c-a[x.a].c);
            maxx[x.b]=max(maxx[x.b],dp[x.b][x.a]+min(x.c+x.d,a[x.b].finish+1)*a[x.b].c-a[x.b].c);
        }
    }
    for(int i=1; i<=m; i++)
    {
        cin>>r>>l;
        for(int j=1; j<=n; j++)
        {
            if(a[j].a<=a[j].b)
            {
                if(l<=a[j].a)
                {
                    if(l-r+a[j].t>=a[j].a)
                        all[j].pb({a[j].t,i});
                }
                else
                {
                    s2=(l-a[j].a+r+a[j].t)/2;
                    if(s2<=a[j].finish)
                        all[j].pb({s2,i});
                }
            }
            else
            {
                if(l>=a[j].a)
                {
                    if(l+r-a[j].t<=a[j].a)
                        all[j].pb({a[j].t,i});
                }
                else
                {
                    s2=(l-a[j].a+r+a[j].t)/2;
                    if(s2<=a[j].finish)
                        all[j].pb({s2,i});
                }
            }
        }
    }
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            if(dp[i][j]!=-inf)
                for(auto x:all[i])
                    if(f[i][j]>=x.a)
                    {
                            ans[x.b]=max(ans[x.b],dp[i][j]+f[i][j]*a[i].c-x.a*a[i].c-a[i].c);
                    }
    for(int i=1; i<=m; i++)
        cout<<ans[i],down
    }

컴파일 시 표준 에러 (stderr) 메시지

bodyguard.cpp:33:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   33 | main()
      | ^~~~
bodyguard.cpp: In function 'int main()':
bodyguard.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
bodyguard.cpp:38:9: note: in expansion of macro 'fin'
   38 |         fin(task2);
      |         ^~~
bodyguard.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 fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
bodyguard.cpp:39:9: note: in expansion of macro 'fou'
   39 |         fou(task2);
      |         ^~~
bodyguard.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
bodyguard.cpp:44:9: note: in expansion of macro 'fin'
   44 |         fin(task);
      |         ^~~
bodyguard.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 fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
bodyguard.cpp:45:9: note: in expansion of macro 'fou'
   45 |         fou(task);
      |         ^~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 52