oj.uz

답안 #1106046

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1106046 2024-10-29T03:23:16 Z modwwe Election Campaign (JOI15_election_campaign) C++17
100 / 100
 123 ms 31564 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 mask(i) (1<<i)
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar

inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while (c < '0' || c > '9')
    {
        c = getchar_unlocked();
    }
    while (c >= '0' && c <= '9')
    {
        x = (x << 1) + (x << 3) + c - '0';
        c = getchar_unlocked();
    }
    return x;
};
void phongbeo();
const int inf = 1e18;
const int mod2 = 1e9+7;
const int  mod1 = 998244353;
const int base=67;
int add(int x,int y)
{
    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, d;
};
struct ie
{
    int a, b, c, d, e;

};

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,limit,w,l,r,last,root,cost;
int kk,invf;
int el = 19;

main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        //fou(task);
    }
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo(),down
    // checktime
}
int dp[100001];
int st[17][100001];
int in[100001];
int ou[100001];
vector<int>v[100001];
vector<ic> v2[100001];
struct fen_wick
{
    int bit[100001];
    void upd(int x,int y,int z)
    {
        y++;
        for(x; x<=n; x+=x&-x)
            bit[x]+=z;
        for(y; y<=n; y+=y&-y)
            bit[y]-=z;
    }
    int get(int x)
    {
        int s=0;
        for(x; x; x-=x&-x)
            s+=bit[x];
        return s;
    }
} fen;
bool check(int x,int y)
{
    if(in[x]<=in[y]&&ou[x]>=in[y]) return 0;
    else return 1;
}
int lca(int x,int y)
{
    if(!check(x,y)) return x;
    for(int j=16; j>=0; --j)
        if(check(st[j][x],y))
            x=st[j][x];
    return st[0][x];
}
void dfs(int x,int y)
{
    st[0][x]=y;
    in[x]=++dem;
    for(auto f:v[x])
        if(f!=y)
            dfs(f,x);
    ou[x]=dem;
}
void dfs2(int x,int y)
{
    for(auto f:v[x])
        if(f!=y)
            dfs2(f,x),
                 dp[x]+=dp[f],
                        fen.upd(in[f],ou[f],-dp[f]);
    s5=0;
    for(auto f:v2[x])
        s2=fen.get(in[f.a])+fen.get(in[f.b])+f.c,
        s5=max(s5,s2);
    dp[x]+=s5;
    for(auto f:v[x])
        if(f!=y)
            fen.upd(in[x]+1,ou[x],dp[f]);
    fen.upd(in[x],in[x],dp[x]-s5);
}
void phongbeo()
{
    cin>>n;
    for(int i=2; i<=n; i++)
    {
        cin>>l>>r;
        v[l].pb(r);
        v[r].pb(l);
    }
    dfs(1,0);
    ou[0]=dem;
    for(int i=1; i<17; i++)
        for(int j=1; j<=n; j++)
            st[i][j]=st[i-1][st[i-1][j]];
    cin>>m;
    for(int i=1; i<=m; i++)
        cin>>l>>r>>s2,
        v2[lca(l,r)].pb({l,r,s2});
    dfs2(1,0);
    cout<<dp[1];
}

Compilation message

election_campaign.cpp:37:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   37 | const int inf = 1e18;
      |                 ^~~~
election_campaign.cpp:72:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   72 | main()
      | ^~~~
election_campaign.cpp: In member function 'void fen_wick::upd(int, int, int)':
election_campaign.cpp:97:13: warning: statement has no effect [-Wunused-value]
   97 |         for(x; x<=n; x+=x&-x)
      |             ^
election_campaign.cpp:99:13: warning: statement has no effect [-Wunused-value]
   99 |         for(y; y<=n; y+=y&-y)
      |             ^
election_campaign.cpp: In member function 'int fen_wick::get(int)':
election_campaign.cpp:105:13: warning: statement has no effect [-Wunused-value]
  105 |         for(x; x; x-=x&-x)
      |             ^
election_campaign.cpp: In function 'int main()':
election_campaign.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
election_campaign.cpp:76:9: note: in expansion of macro 'fin'
   76 |         fin(task);
      |         ^~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12624 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12792 KB Output is correct
4 Correct 3 ms 12624 KB Output is correct
5 Correct 43 ms 16456 KB Output is correct
6 Correct 34 ms 27216 KB Output is correct
7 Correct 40 ms 23632 KB Output is correct
8 Correct 30 ms 16976 KB Output is correct
9 Correct 37 ms 21320 KB Output is correct
10 Correct 31 ms 16992 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12792 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12880 KB Output is correct
4 Correct 77 ms 30024 KB Output is correct
5 Correct 77 ms 30036 KB Output is correct
6 Correct 64 ms 30024 KB Output is correct
7 Correct 78 ms 30024 KB Output is correct
8 Correct 77 ms 30028 KB Output is correct
9 Correct 65 ms 31564 KB Output is correct
10 Correct 81 ms 29768 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12792 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12880 KB Output is correct
4 Correct 77 ms 30024 KB Output is correct
5 Correct 77 ms 30036 KB Output is correct
6 Correct 64 ms 30024 KB Output is correct
7 Correct 78 ms 30024 KB Output is correct
8 Correct 77 ms 30028 KB Output is correct
9 Correct 65 ms 31564 KB Output is correct
10 Correct 81 ms 29768 KB Output is correct
11 Correct 10 ms 13660 KB Output is correct
12 Correct 80 ms 29768 KB Output is correct
13 Correct 82 ms 30028 KB Output is correct
14 Correct 65 ms 30024 KB Output is correct
15 Correct 78 ms 30028 KB Output is correct
16 Correct 65 ms 31560 KB Output is correct
17 Correct 81 ms 31304 KB Output is correct
18 Correct 88 ms 30036 KB Output is correct
19 Correct 78 ms 30032 KB Output is correct
20 Correct 89 ms 29924 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 101 ms 20160 KB Output is correct
2 Correct 72 ms 30032 KB Output is correct
3 Correct 105 ms 27232 KB Output is correct
4 Correct 81 ms 18876 KB Output is correct
5 Correct 98 ms 24892 KB Output is correct
6 Correct 72 ms 18740 KB Output is correct
7 Correct 99 ms 24640 KB Output is correct
8 Correct 96 ms 20288 KB Output is correct
9 Correct 67 ms 31412 KB Output is correct
10 Correct 108 ms 23228 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12624 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12792 KB Output is correct
4 Correct 3 ms 12624 KB Output is correct
5 Correct 43 ms 16456 KB Output is correct
6 Correct 34 ms 27216 KB Output is correct
7 Correct 40 ms 23632 KB Output is correct
8 Correct 30 ms 16976 KB Output is correct
9 Correct 37 ms 21320 KB Output is correct
10 Correct 31 ms 16992 KB Output is correct
11 Correct 3 ms 12624 KB Output is correct
12 Correct 3 ms 12852 KB Output is correct
13 Correct 3 ms 12880 KB Output is correct
14 Correct 3 ms 12872 KB Output is correct
15 Correct 3 ms 12624 KB Output is correct
16 Correct 3 ms 12880 KB Output is correct
17 Correct 3 ms 12624 KB Output is correct
18 Correct 3 ms 12880 KB Output is correct
19 Correct 4 ms 12624 KB Output is correct
20 Correct 3 ms 12880 KB Output is correct

Subtask #6
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12624 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12792 KB Output is correct
4 Correct 3 ms 12624 KB Output is correct
5 Correct 43 ms 16456 KB Output is correct
6 Correct 34 ms 27216 KB Output is correct
7 Correct 40 ms 23632 KB Output is correct
8 Correct 30 ms 16976 KB Output is correct
9 Correct 37 ms 21320 KB Output is correct
10 Correct 31 ms 16992 KB Output is correct
11 Correct 3 ms 12792 KB Output is correct
12 Correct 2 ms 12624 KB Output is correct
13 Correct 3 ms 12880 KB Output is correct
14 Correct 77 ms 30024 KB Output is correct
15 Correct 77 ms 30036 KB Output is correct
16 Correct 64 ms 30024 KB Output is correct
17 Correct 78 ms 30024 KB Output is correct
18 Correct 77 ms 30028 KB Output is correct
19 Correct 65 ms 31564 KB Output is correct
20 Correct 81 ms 29768 KB Output is correct
21 Correct 10 ms 13660 KB Output is correct
22 Correct 80 ms 29768 KB Output is correct
23 Correct 82 ms 30028 KB Output is correct
24 Correct 65 ms 30024 KB Output is correct
25 Correct 78 ms 30028 KB Output is correct
26 Correct 65 ms 31560 KB Output is correct
27 Correct 81 ms 31304 KB Output is correct
28 Correct 88 ms 30036 KB Output is correct
29 Correct 78 ms 30032 KB Output is correct
30 Correct 89 ms 29924 KB Output is correct
31 Correct 101 ms 20160 KB Output is correct
32 Correct 72 ms 30032 KB Output is correct
33 Correct 105 ms 27232 KB Output is correct
34 Correct 81 ms 18876 KB Output is correct
35 Correct 98 ms 24892 KB Output is correct
36 Correct 72 ms 18740 KB Output is correct
37 Correct 99 ms 24640 KB Output is correct
38 Correct 96 ms 20288 KB Output is correct
39 Correct 67 ms 31412 KB Output is correct
40 Correct 108 ms 23228 KB Output is correct
41 Correct 3 ms 12624 KB Output is correct
42 Correct 3 ms 12852 KB Output is correct
43 Correct 3 ms 12880 KB Output is correct
44 Correct 3 ms 12872 KB Output is correct
45 Correct 3 ms 12624 KB Output is correct
46 Correct 3 ms 12880 KB Output is correct
47 Correct 3 ms 12624 KB Output is correct
48 Correct 3 ms 12880 KB Output is correct
49 Correct 4 ms 12624 KB Output is correct
50 Correct 3 ms 12880 KB Output is correct
51 Correct 90 ms 18884 KB Output is correct
52 Correct 78 ms 29768 KB Output is correct
53 Correct 123 ms 23228 KB Output is correct
54 Correct 87 ms 20300 KB Output is correct
55 Correct 101 ms 18620 KB Output is correct
56 Correct 88 ms 30024 KB Output is correct
57 Correct 88 ms 24260 KB Output is correct
58 Correct 75 ms 18876 KB Output is correct
59 Correct 85 ms 18820 KB Output is correct
60 Correct 81 ms 31304 KB Output is correct
61 Correct 98 ms 24264 KB Output is correct
62 Correct 73 ms 18680 KB Output is correct
63 Correct 81 ms 18244 KB Output is correct
64 Correct 80 ms 29848 KB Output is correct
65 Correct 116 ms 25788 KB Output is correct
66 Correct 77 ms 18728 KB Output is correct
67 Correct 102 ms 19864 KB Output is correct
68 Correct 79 ms 29772 KB Output is correct
69 Correct 87 ms 22656 KB Output is correct
70 Correct 80 ms 18628 KB Output is correct