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답안 #1110921

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1110921 2024-11-11T02:44:00 Z modwwe Paths (RMI21_paths) C++17
68 / 100
 600 ms 285176 KB 
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#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;
const ll base=67;
int add(int x,int y)
{
    assert(abs(x)<=mod2);
    assert(abs(y)<=mod2);
    if(x+y>=mod2) x-=mod2;
    if(x+y<0) x+=mod2;
    return x+y;
}
struct icd
{
    long double a;
    int 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;

};
ll 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,t,lim,w,l,r;
int kk;
int el = 19;
main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo();
    // checktime
}
set<pair<int,int>>sold;
set<pair<int,int>> snew;
int cost[100001],d[100001],par[100001], dist[100001], d2[100001],costnew[100001],ans[100001],b[100001];
vector<ib> v[100001];
void dfs(int x,int y)
{
    cost[x]=0;
    d[x]=x;
    int hihi=0;
    par[x]=y;
    /// neu canh co nhieu con thi uu tien con lon nhat duoc lay truoc
    for(auto f:v[x])
        if(f.a^y)
        {
            dfs(f.a,x);
            cost[d[f.a]]+=f.b;
            dist[f.a]=f.b;
            if(cost[d[f.a]]>hihi)
                d[x]=d[f.a],hihi=cost[d[f.a]],b[x]=f.a;
        }
}
void add(ib a,int c)
{
    pair<int,int> dd= {a.a,a.b};
    if(sold.find(dd)!=sold.end())
    {
        sold.erase(dd);
        dd.first+=c;
        sold.insert(dd);
    }
    else
    {
        if(snew.find(dd)==snew.end())
        {
            assert(0);
            exit(0);
        }
        assert(snew.find(dd)!=snew.end());
        snew.erase(dd);
        s4+=c;
        dd.first+=c;
        snew.insert(dd);
    }
    while(!sold.empty()&&!snew.empty()&&sold.rbegin()->first>snew.begin()->first)
    {
        pair<int,int> x=*sold.rbegin();
        sold.erase(x);
        s4+=x.first;
        snew.insert(x);
        pair<int,int> y=*snew.begin();
        s4-=y.first;
        snew.erase(y);
        sold.insert(y);
    }
}
void kiki(int x,int y)///x->y
{
    costnew[x]=costnew[par[x]]+dist[x];
    d2[x]=d2[par[x]];
    if(d2[x]==0)d2[x]=x;
    for(auto f:v[x])
        if(par[x]!=f.a&&f.a!=y)
        {
            if(cost[d[f.a]]>costnew[x])
            {
                d2[x]=d[f.a];
                costnew[x]=cost[d[f.a]];
            }
        }
    ib ditmemay= {costnew[x],d2[x]};
    add(ditmemay,dist[y]);///upd costnew+dist[y]
    ditmemay= {cost[d[y]],d[y]};
    add(ditmemay,-dist[y]);///erase d[y]-=dist[y]
    cost[d[y]]-=dist[y];
}
void del(int x,int y)/// y->x
{
    ib ditmemay{costnew[x]+dist[y],d2[x]};
    add(ditmemay,-dist[y]);/// erase costnew-=dist[y]
    ditmemay= {cost[d[y]],d[y]};
    add(ditmemay,dist[y]);///add d[y]+=dist[y];
    cost[d[y]]+=dist[y];
}
void skibidi(int x,int y)///x->y
{
    costnew[x]=costnew[par[x]]+dist[x];
    d2[x]=d2[par[x]];
    if(d2[x]==0)d2[x]=x;
    if(cost[d[x]]>costnew[x])
    {
        d2[x]=d[x];
        costnew[x]=cost[d[x]];
    }
    ib ditmemay= {costnew[x],d2[x]};
    add(ditmemay,dist[y]);///upd costnew+dist[y]
    ditmemay= {cost[d[y]],d[y]};
    add(ditmemay,-dist[y]);///erase d[y]-=dist[y]
    cost[d[y]]-=dist[y];
}
vector<int> cc[100001];
void dfs2(int x,int y)
{
    ans[x]=s4;
    for(auto f:snew)
        cc[x].pb(f.first);
    if(b[x]!=0)
    {
        kiki(x,b[x]);
        dfs2(b[x],x);
        del(x,b[x]);
    }
    for(auto f:v[x])
        if(f.a!=y&&f.a!=b[x])
        {
            skibidi(x,f.a);
            dfs2(f.a,x);
            del(x,f.a);
        }
}
void phongbeo()
{
    cin>>n>>k;
    s9=0;
    for(int i=1; i<=n; i++)
        cin>>l>>r>>s2,v[l].pb({r,s2}),v[r].pb({l,s2}),s9+=s2;
    if(n==k)
    {
        for(int i=1; i<=n; i++)
            cout<<s9,down
                exit(0);
    }
    dfs(1,0);
    for(int i=1; i<=n; i++)
        sold.insert({cost[i],i});
    s4=0;
    for(int i=1; i<=k; i++)
    {
        pair<int,int> x=*sold.rbegin();
        snew.insert(x);
        s4+=x.first;
        sold.erase(prev(sold.end()));
    }
    dfs2(1,0);
    for(int i=1; i<=n; i++)
        cout<<ans[i],down
    }

Compilation message

Main.cpp:58:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   58 | main()
      | ^~~~
Main.cpp: In function 'int main()':
Main.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:62:9: note: in expansion of macro 'fin'
   62 |         fin(task);
      |         ^~~
Main.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".ans","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:63:9: note: in expansion of macro 'fou'
   63 |         fou(task);
      |         ^~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10832 KB Output is correct
5 Correct 3 ms 10832 KB Output is correct
6 Correct 3 ms 10832 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10832 KB Output is correct
5 Correct 3 ms 10832 KB Output is correct
6 Correct 3 ms 10832 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct
8 Correct 5 ms 11856 KB Output is correct
9 Correct 4 ms 11364 KB Output is correct
10 Correct 4 ms 11344 KB Output is correct
11 Correct 6 ms 12088 KB Output is correct
12 Correct 5 ms 11856 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10832 KB Output is correct
5 Correct 3 ms 10832 KB Output is correct
6 Correct 3 ms 10832 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct
8 Correct 5 ms 11856 KB Output is correct
9 Correct 4 ms 11364 KB Output is correct
10 Correct 4 ms 11344 KB Output is correct
11 Correct 6 ms 12088 KB Output is correct
12 Correct 5 ms 11856 KB Output is correct
13 Correct 26 ms 27468 KB Output is correct
14 Correct 9 ms 13136 KB Output is correct
15 Correct 6 ms 11600 KB Output is correct
16 Correct 18 ms 19024 KB Output is correct
17 Correct 17 ms 19132 KB Output is correct
18 Correct 9 ms 13904 KB Output is correct
19 Correct 27 ms 27096 KB Output is correct

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 243 ms 26952 KB Output is correct
2 Correct 216 ms 31128 KB Output is correct
3 Correct 172 ms 28872 KB Output is correct
4 Correct 217 ms 28880 KB Output is correct
5 Correct 226 ms 30024 KB Output is correct
6 Correct 223 ms 28864 KB Output is correct

Subtask #6
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10832 KB Output is correct
5 Correct 3 ms 10832 KB Output is correct
6 Correct 3 ms 10832 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct
8 Correct 5 ms 11856 KB Output is correct
9 Correct 4 ms 11364 KB Output is correct
10 Correct 4 ms 11344 KB Output is correct
11 Correct 6 ms 12088 KB Output is correct
12 Correct 5 ms 11856 KB Output is correct
13 Correct 26 ms 27468 KB Output is correct
14 Correct 9 ms 13136 KB Output is correct
15 Correct 6 ms 11600 KB Output is correct
16 Correct 18 ms 19024 KB Output is correct
17 Correct 17 ms 19132 KB Output is correct
18 Correct 9 ms 13904 KB Output is correct
19 Correct 27 ms 27096 KB Output is correct
20 Correct 243 ms 26952 KB Output is correct
21 Correct 216 ms 31128 KB Output is correct
22 Correct 172 ms 28872 KB Output is correct
23 Correct 217 ms 28880 KB Output is correct
24 Correct 226 ms 30024 KB Output is correct
25 Correct 223 ms 28864 KB Output is correct
26 Execution timed out 1044 ms 285176 KB Time limit exceeded
27 Halted 0 ms 0 KB -