oj.uz

Submission #1119252

# Submission time Handle Problem Language Result Execution time Memory
1119252 2024-11-26T17:40:23 Z modwwe Board Game (JOI24_boardgame) C++17
32 / 100
 1134 ms 21920 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".out","w",stdout)
#define pb push_back
#define mask(k) (1<<k)
#define mp make_pair
#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 = 1e10;
const ll mod2 = 1e9 + 7;
const int  mod1 = 998244353;
const ll 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;
};
struct id
{
    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,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
}
string s;
vector<int> v[50001];
int ans[50001];
int c[50001];
int d[50001];
int cost[50001];
int vis[50001];
int a[50001];
vector<int> cd;
struct cmp
{
    bool operator()(id a,id b)
    {
        return a.a>b.a;
    }
};
void bfs(int c[],bool k)
{
    deque<ib>q;
    for(int i=1; i<=n; i++)
        if(s[i-1]=='1')
        {
            if(k)
            {
                for(auto f:v[i])
                    if(s[f-1]=='1')
                    {
                        q.pb({0,i});
                    }
            }
            else
            {
                q.pb({0,i});
            }
        }
    while(!q.empty())
    {
        ib x=q.front();
        q.pop_front();
        if(vis[x.b]) continue;
        vis[x.b]=1;
        for(auto f:v[x.b])
        {
            c[f]=min(x.a+1,c[f]);
            if(s[f-1]=='1')q.push_front({x.a,f});
            else q.push_back({x.a+1,f});
        }
    }
}
bool cc[50001][301];

namespace k_low
{
priority_queue<id,vector<id>,cmp>p;
void solve()
{
    sort(cd.begin(),cd.end());
    int total=0;
    for(int i=0; i<k; i++)
    {
        p.push({total+s4,s9,i,0});
        cost[i]=i+(k-i-1)*2;
        total+=cd[i];
    }
    while(!p.empty())
    {
        id x=p.top();
        p.pop();
        if(cc[x.b][x.c]) continue;
        cc[x.b][x.c]=1;
        if(x.d)
        {
            ans[x.b]=min(ans[x.b],x.a);
        }
        for(auto f:v[x.b])
            if(s[f-1]=='1')
            {
                if(x.d)
                    ans[f]=min(ans[f],x.a+1);
                p.push({x.a+cost[x.c]+1,f,x.c,1});
            }
            else
            {
                p.push({x.a+1,f,x.c,x.d});
            }
    }
    p.push({0,s9,0,0});
    ans[s9]=0;
    while(!p.empty())
    {
        id x=p.top();
        p.pop();
        if(vis[x.b]) continue;
        vis[x.b]=1;
        for(auto f:v[x.b])
        {
            ans[f]=min(ans[f],x.a+1);
            if(s[f-1]=='0') p.push({x.a+1,f,x.c,x.d});
        }
    }
}
};
namespace k_high
{
int pre[50001];
int cur[50001];
void solve()
{
    for(int i=2; i<=k; i++)
    {
        l=a[i];
        int ci=c[l];
        int di=d[l];
        if(c[l]==0) c[l]+=2;
        if(d[l]==0) d[l]=1;
        c[l]-=2;
        d[l]--;
        if(d[l]+1==inf)
        {
            pre[1]+=c[l];
            cur[1]+=2;
        }
        else
        {
            s3=d[l]-c[l];
            pre[s3]+=d[l];
            pre[s3]-=c[l];
            pre[1]+=c[l];
            cur[s3]++;
            cur[s3]-=2;
            cur[1]+=2;
            pre[s3]-=(s3-1);
        }
        c[l]=ci;
        d[l]=di;

    }
    for(int i=1; i<=n; i++)
        cur[i]+=cur[i-1],
                pre[i]+=pre[i-1]+cur[i];
    deque<ic> q;
    q.push_front({0,s9});
    memset(vis,-1,sizeof vis);
    while(!q.empty())
    {
        ic x=q.front();
        q.pop_front();
        if(vis[x.b]!=-1) continue;
        vis[x.b]=x.a;
        for(auto f:v[x.b])
            if(s[f-1]=='1') q.pb({x.a+1,f});
            else q.push_front({x.a,f});
    }

    q.pb({0,s9,0});
    while(!q.empty())
    {
        ic x=q.front();
        q.pop_front();
        s8=max(s8,x.c);
        if((x.c-vis[x.b])*(k-1)>=n) continue;
        if(cc[x.b][x.c-vis[x.b]]) continue;
        cc[x.b][x.c-vis[x.b]]=1;
        if(s[x.b-1]=='1')s4=1;
        else s4=0;
        ans[x.b]=min(ans[x.b],x.a+pre[x.c-s4]);
        for(auto f:v[x.b])
            if(s[f-1]=='1')q.pb({x.a+1,f,x.c+1});
            else q.pb({x.a+1,f,x.c});
    }
    cout<<s8,debug
        memset(vis,0,sizeof vis);
}
};
void phongbeo()
{
    cin>>n>>m>>k;
    for(int i=1; i<=m; i++)
        cin>>l>>r,v[l].pb(r),v[r].pb(l);
    cin>>s;
    for(int i=1; i<=n; i++)
        d[i]=inf,c[i]=inf;
    bfs(c,0);
    memset(vis,0,sizeof vis);
    bfs(d,1);
    memset(vis,0,sizeof vis);
    for(int i=1; i<=k; i++)
    {
        cin>>l;
        int ci=c[l];
        int di=d[l];
        if(c[l]==0) c[l]+=2;
        if(d[l]==0) d[l]=1;
        if(i==1)s9=l;
        else c[l]-=2,d[l]--,cd.pb(d[l]-c[l]),s4+=c[l];
        a[i]=l;
        c[l]=ci;
        d[l]=di;
    }
    for(int i=1; i<=n; i++)
        ans[i]=inf;
    if(k<=250)k_low::solve();
    else k_high::solve();
    for(int i=1; i<=n; i++)
        cout<<ans[i]<<" ";
}

Compilation message

Main.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   75 | 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:79:9: note: in expansion of macro 'fin'
   79 |         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".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:80:9: note: in expansion of macro 'fou'
   80 |         fou(task);
      |         ^~~

Subtask #1
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 3252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 3152 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 3152 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2812 KB Output is correct
2 Correct 8 ms 3152 KB Output is correct
3 Incorrect 7 ms 3152 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 20040 KB Output is correct
2 Correct 55 ms 20280 KB Output is correct
3 Correct 48 ms 20040 KB Output is correct
4 Correct 96 ms 20732 KB Output is correct
5 Correct 79 ms 20128 KB Output is correct
6 Correct 49 ms 16712 KB Output is correct
7 Correct 47 ms 11580 KB Output is correct
8 Correct 23 ms 10688 KB Output is correct
9 Correct 33 ms 10992 KB Output is correct
10 Correct 65 ms 16708 KB Output is correct
11 Correct 60 ms 17148 KB Output is correct
12 Correct 51 ms 19792 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 20040 KB Output is correct
2 Correct 55 ms 20280 KB Output is correct
3 Correct 48 ms 20040 KB Output is correct
4 Correct 96 ms 20732 KB Output is correct
5 Correct 79 ms 20128 KB Output is correct
6 Correct 49 ms 16712 KB Output is correct
7 Correct 47 ms 11580 KB Output is correct
8 Correct 23 ms 10688 KB Output is correct
9 Correct 33 ms 10992 KB Output is correct
10 Correct 65 ms 16708 KB Output is correct
11 Correct 60 ms 17148 KB Output is correct
12 Correct 51 ms 19792 KB Output is correct
13 Correct 190 ms 20120 KB Output is correct
14 Correct 351 ms 21920 KB Output is correct
15 Correct 1125 ms 21680 KB Output is correct
16 Correct 931 ms 20404 KB Output is correct
17 Correct 841 ms 18820 KB Output is correct
18 Correct 799 ms 19016 KB Output is correct
19 Correct 1134 ms 20008 KB Output is correct
20 Correct 774 ms 20480 KB Output is correct
21 Correct 34 ms 11080 KB Output is correct
22 Correct 184 ms 12944 KB Output is correct
23 Correct 366 ms 12912 KB Output is correct
24 Correct 70 ms 18484 KB Output is correct
25 Correct 322 ms 19428 KB Output is correct
26 Correct 677 ms 19588 KB Output is correct
27 Correct 36 ms 12620 KB Output is correct
28 Correct 235 ms 12608 KB Output is correct
29 Correct 430 ms 13120 KB Output is correct
30 Correct 55 ms 20296 KB Output is correct
31 Correct 398 ms 19884 KB Output is correct
32 Correct 867 ms 19896 KB Output is correct

Subtask #7
0.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2812 KB Output is correct
2 Correct 8 ms 3152 KB Output is correct
3 Incorrect 7 ms 3152 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #8
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 3252 KB Output isn't correct
2 Halted 0 ms 0 KB -