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Submission #696658

# Submission time Handle Problem Language Result Execution time Memory
696658 2023-02-07T03:05:14 Z uylulu Izbori (COCI22_izbori) C++17
110 / 110
 586 ms 44828 KB 
#include<bits/stdc++.h>
using namespace std;

#define int long long
#define endl "\n"

const int N = 4e5;

int num[N + 1],n;

map<int,vector<int>> mp;

struct node{
    int len = 0,val = 0,sum = 0;
};

int lz[4*N + 1];
node seg[4*N + 1];

void build(int id,int l,int r) {
    seg[id].len = (r - l + 1);

    if(l == r) {
        return;
    }
    int mid = (l + r)/2;
    build(id*2,l,mid);
    build(id*2 + 1,mid + 1,r);

}

node merge(node i1,node i2) {

    node res;
    res.len = i1.len + i2.len;

    res.val = (i1.val + i1.sum * i2.len + i2.val);
    res.sum = (i1.sum + i2.sum);

    return res;
}

void add(int id,int l,int r,int x) {
    lz[id] += x;

    int sz = seg[id].len,asd = (sz + 1) * sz / 2;

    seg[id].sum += (x * sz);
    seg[id].val += (x * asd);
}

void down(int id,int l,int r) {
    int t = lz[id];
    if(lz[id] == 0) return;
    lz[id] = 0;

    int mid = (l + r)/2;

    add(id*2,l,mid,t);
    add(id*2 + 1,mid + 1,r,t);
}

void update(int id,int l,int r,int u,int v,int x) {
    if(v < l || u > r) return;
    if(u <= l && v >= r) {
        add(id,l,r,x);

        return;
    }
    down(id,l,r);
    int mid = (l + r)/2;

    update(id*2,l,mid,u,v,x);
    update(id*2 + 1,mid + 1,r,u,v,x);

    seg[id] = merge(seg[id*2],seg[id*2 + 1]);
}

node query(int id,int l,int r,int u,int v) {
    if(v < l || u > r) return {0,0,0};
    if(u <= l && v >= r) {
        // cout<<l<<" "<<r<<endl;
        // cout<<seg[id].len<<" "<<seg[id].val<<" "<<seg[id].sum<<endl;

        return seg[id];
    }

    down(id,l,r);
    int mid = (l + r)/2;
    return merge(query(id*2,l,mid,u,v),query(id*2 + 1,mid + 1,r,u,v));
}
struct change{
    int l,r,x;
};

vector<change> thay;

inline void upd(int l,int r,int x) {
    thay.push_back({l,r,-x});

    update(1,0,2*n,l,r,x);
}

int res = 0;

inline void cal(vector<int> st) {

    int lst = 0;

    upd(n - (st[0] - 1),n,1);

    for(int i = 0;i < st.size();i++) {
        int nxt;
        lst++;


        if(i < st.size() - 1) {
            nxt = st[i + 1] - 1;
        } else {
            nxt = n;
        }

        node tmp = query(1,0,2*n,2*lst + n - nxt - 1,2*lst + n - st[i] - 1);

        res += tmp.val;
        tmp = query(1,0,2*n,0,2*lst + n - nxt - 2);

        res += tmp.sum * (nxt - st[i] + 1);

        upd(n - nxt + 2*lst,n - st[i] + 2*lst,1);
    }
    for(auto u : thay) {
        update(1,0,2*n,u.l,u.r,u.x);
    }

    thay.clear();
}

signed main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

    // freopen("in.txt","r",stdin);
    // freopen("out.txt","w",stdout);

    cin>>n;
    for(int i = 1;i <= n;i++) {
        cin>>num[i];
        mp[num[i]].push_back(i);
    }
    build(1,0,2*n);

    for(auto u : mp) {
        cal(u.second);  
    }
    cout<<res<<endl;
}

Compilation message

Main.cpp: In function 'void cal(std::vector<long long int>)':
Main.cpp:112:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |     for(int i = 0;i < st.size();i++) {
      |                   ~~^~~~~~~~~~~
Main.cpp:117:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |         if(i < st.size() - 1) {
      |            ~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 472 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 4 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 3 ms 656 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 724 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 132 ms 28096 KB Output is correct
2 Correct 179 ms 32920 KB Output is correct
3 Correct 107 ms 17008 KB Output is correct
4 Correct 182 ms 33096 KB Output is correct
5 Correct 193 ms 33184 KB Output is correct
6 Correct 202 ms 33472 KB Output is correct
7 Correct 202 ms 33520 KB Output is correct
8 Correct 202 ms 33516 KB Output is correct
9 Correct 197 ms 33496 KB Output is correct
10 Correct 207 ms 33556 KB Output is correct
11 Correct 200 ms 40916 KB Output is correct

Subtask #4
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 472 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 4 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 3 ms 656 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 132 ms 28096 KB Output is correct
19 Correct 179 ms 32920 KB Output is correct
20 Correct 107 ms 17008 KB Output is correct
21 Correct 182 ms 33096 KB Output is correct
22 Correct 193 ms 33184 KB Output is correct
23 Correct 202 ms 33472 KB Output is correct
24 Correct 202 ms 33520 KB Output is correct
25 Correct 202 ms 33516 KB Output is correct
26 Correct 197 ms 33496 KB Output is correct
27 Correct 207 ms 33556 KB Output is correct
28 Correct 200 ms 40916 KB Output is correct
29 Correct 211 ms 40884 KB Output is correct
30 Correct 105 ms 11700 KB Output is correct
31 Correct 216 ms 22308 KB Output is correct
32 Correct 586 ms 44828 KB Output is correct
33 Correct 223 ms 23248 KB Output is correct
34 Correct 238 ms 23500 KB Output is correct
35 Correct 150 ms 13640 KB Output is correct
36 Correct 90 ms 10736 KB Output is correct
37 Correct 103 ms 12128 KB Output is correct
38 Correct 225 ms 33060 KB Output is correct
39 Correct 233 ms 33072 KB Output is correct
40 Correct 225 ms 33000 KB Output is correct
41 Correct 229 ms 32996 KB Output is correct
42 Correct 241 ms 32960 KB Output is correct
43 Correct 277 ms 33196 KB Output is correct
44 Correct 274 ms 33384 KB Output is correct
45 Correct 274 ms 33060 KB Output is correct
46 Correct 274 ms 33160 KB Output is correct
47 Correct 312 ms 33292 KB Output is correct
48 Correct 381 ms 33520 KB Output is correct
49 Correct 393 ms 33432 KB Output is correct
50 Correct 329 ms 34112 KB Output is correct
51 Correct 358 ms 34076 KB Output is correct
52 Correct 353 ms 33228 KB Output is correct
53 Correct 393 ms 32996 KB Output is correct
54 Correct 373 ms 33216 KB Output is correct