oj.uz

Submission #588889

# Submission time Handle Problem Language Result Execution time Memory
588889 2022-07-04T07:02:13 Z radal The Potion of Great Power (CEOI20_potion) C++17
38 / 100
 2708 ms 262144 KB 
#include <bits/stdc++.h>
//#pragma GCC target("sse,sse2,sse4,avx2")
//#pragma GCC optimize("unroll-loops,O2")
#define rep(i,l,r) for (int i = l; i < r; i++)
#define repr(i,r,l) for (int i = r; i >= l; i--)
#define X first
#define Y second
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define endl '\n'
#define debug(x) cerr << #x << " : " << x << endl;
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pll;
constexpr int N = 2e5+10,mod = 1e9+7,inf = 1e9+10,sq = 200;
inline int mkay(int a,int b){
    if (a+b >= mod) return a+b-mod;
    if (a+b < 0) return a+b+mod;
    return a+b;
}
 
inline int poww(int a,int k){
    if (k < 0) return 0;
    int z = 1;
    while (k){
        if (k&1) z = 1ll*z*a%mod;
        a = 1ll*a*a%mod;
        k >>= 1;
    } 
    return z; 
}
int n,d,h[N],a[N],b[N],u;
vector<set<int> > st[N];
set<int> st1,st2;
vector<int> ti[N];
vector<pair<int,bool> > ve;
void init(int N, int D, int H[]) {
    n = N;
    d = D;
    rep(i,0,n) h[i] = H[i];
}

void curseChanges(int U, int A[], int B[]) {
    u = U;
    rep(i,0,n){
        st[i].resize(1);
        ti[i].pb(0);
    }
    rep(i,0,U){
        a[i+1] = A[i];
        b[i+1] = B[i];
        if ((i+1)%sq == 0){
            int l = i-sq+1;
            rep(k,l,i+1){
                if (ti[A[k]].back() != i+1){
                    ti[A[k]].pb(i+1);
                    st[A[k]].pb(st[A[k]].back());
                }
                if (ti[B[k]].back() != i+1){
                    ti[B[k]].pb(i+1);
                    st[B[k]].pb(st[B[k]].back());
                }
                int sz1 = st[A[k]].size(),sz2 = st[B[k]].size();;
                if (st[A[k]][sz1-1].find(B[k]) != st[A[k]][sz1-1].end()){
                    st[A[k]][sz1-1].erase(B[k]);
                    st[B[k]][sz2-1].erase(A[k]);
                }
                else{
                    st[A[k]][sz1-1].insert(B[k]);
                    st[B[k]][sz2-1].insert(A[k]);
                }
            }
        }
    }
}

int question(int x, int y, int v) {
    if (!v) return 1000000000;
    int dd = 0;
    if (v >= sq){
        int j = v/sq;
        dd = j*sq;
        int ind = upper_bound(all(ti[x]),dd)-ti[x].begin()-1;
        st1 = st[x][ind];
        ind = upper_bound(all(ti[y]),dd)-ti[y].begin()-1;
        st2 = st[y][ind];
    }
    else{
        st1.clear();
        st2.clear();
    }
    rep(i,dd+1,v+1){
        if (a[i] == x){
            if (st1.find(b[i]) != st1.end())
                st1.erase(b[i]);
            else
                st1.insert(b[i]);
        }
        if (a[i] == y){
            if (st2.find(b[i]) != st2.end())
                st2.erase(b[i]);
            else
                st2.insert(b[i]);
        }
        if (b[i] == x){
            if (st1.find(a[i]) != st1.end())
                st1.erase(a[i]);
            else
                st1.insert(a[i]);
        }
        if (b[i] == y){
            if (st2.find(a[i]) != st2.end())
                st2.erase(a[i]);
            else
                st2.insert(a[i]);
        }
    }
    if (st1.empty() || st2.empty()) return 1000000000;
    ve.clear();
    for (int x : st1) ve.pb({h[x],0});
    for (int x : st2) ve.pb({h[x],1});
    sort(all(ve));
    int sz = ve.size(),ans = 1000000000;
    rep(i,1,sz){
        while(i < sz && ve[i].Y == ve[i-1].Y) i++;
        if (i == sz) break;
        ans = min(ans,ve[i].X-ve[i-1].X);
    }
    return ans;
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10064 KB Output is correct
2 Correct 7 ms 10064 KB Output is correct
3 Correct 6 ms 10064 KB Output is correct
4 Correct 32 ms 20120 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 522 ms 109716 KB Output is correct
2 Correct 519 ms 109740 KB Output is correct
3 Correct 338 ms 72088 KB Output is correct
4 Runtime error 301 ms 262144 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 547 ms 109712 KB Output is correct
2 Correct 2708 ms 116304 KB Output is correct
3 Runtime error 317 ms 262144 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 14192 KB Output is correct
2 Correct 119 ms 13324 KB Output is correct
3 Correct 506 ms 11628 KB Output is correct
4 Correct 1124 ms 18680 KB Output is correct
5 Correct 1143 ms 17564 KB Output is correct
6 Correct 168 ms 19596 KB Output is correct
7 Correct 1084 ms 13272 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct
2 Correct 6 ms 10064 KB Output is correct
3 Correct 7 ms 10064 KB Output is correct
4 Correct 6 ms 10064 KB Output is correct
5 Correct 32 ms 20120 KB Output is correct
6 Correct 522 ms 109716 KB Output is correct
7 Correct 519 ms 109740 KB Output is correct
8 Correct 338 ms 72088 KB Output is correct
9 Runtime error 301 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -