oj.uz

답안 #896384

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
896384 2024-01-01T10:57:08 Z GrindMachine Tourism (JOI23_tourism) C++17
100 / 100
 1263 ms 64724 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*

refs:
https://codeforces.com/blog/entry/114003?#comment-1015100

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

vector<int> adj1[N];

struct lca_algo {
    // LCA template (for graphs with 1-based indexing)
 
    int LOG = 1;
    vector<int> depth;
    vector<vector<int>> up;
    vector<int> tin, tout;
    int timer = 1;
 
    lca_algo() {
 
    }
 
    lca_algo(int n) {
        lca_init(n);
    }
 
    void lca_init(int n) {
        while ((1 << LOG) < n) LOG++;
        up = vector<vector<int>>(n + 1, vector<int>(LOG, 1));
        depth = vector<int>(n + 1);
        tin = vector<int>(n + 1);
        tout = vector<int>(n + 1);
 
        lca_dfs(1, -1);
    }
 
    void lca_dfs(int node, int par) {
        tin[node] = timer++;
 
        trav(child, adj1[node]) {
            if (child == par) conts;
 
            up[child][0] = node;
            rep1(j, LOG - 1) {
                up[child][j] = up[up[child][j - 1]][j - 1];
            }
 
            depth[child] = depth[node] + 1;
 
            lca_dfs(child, node);
        }
 
        tout[node] = timer-1;
    }
 
    int lift(int u, int k) {
        rep(j, LOG) {
            if (k & (1 << j)) {
                u = up[u][j];
            }
        }
 
        return u;
    }
 
    int query(int u, int v) {
        if (depth[u] < depth[v]) swap(u, v);
        int k = depth[u] - depth[v];
        u = lift(u, k);
 
        if (u == v) return u;
 
        rev(j, LOG - 1, 0) {
            if (up[u][j] != up[v][j]) {
                u = up[u][j];
                v = up[v][j];
            }
        }
 
        u = up[u][0];
        return u;
    }
 
    int get_dis(int u, int v) {
        int lca = query(u, v);
        return depth[u] + depth[v] - 2 * depth[lca];
    }
 
    bool is_ances(int u, int v){
        return tin[u] <= tin[v] and tout[u] >= tout[v];
    }
};

template<typename T>
struct fenwick {
    int siz;
    vector<T> tree;

    fenwick() {

    }

    fenwick(int n) {
        siz = n;
        tree = vector<T>(n + 1);
    }

    int lsb(int x) {
        return x & -x;
    }

    void build(vector<T> &a, int n) {
        for (int i = 1; i <= n; ++i) {
            int par = i + lsb(i);
            tree[i] += a[i];

            if (par <= siz) {
                tree[par] += tree[i];
            }
        }
    }

    void pupd(int i, T v) {
        while (i <= siz) {
            tree[i] += v;
            i += lsb(i);
        }
    }

    T sum(int i) {
        T res = 0;

        while (i) {
            res += tree[i];
            i -= lsb(i);
        }

        return res;
    }

    T query(int l, int r) {
        if (l > r) return 0;
        T res = sum(r) - sum(l - 1);
        return res;
    }
};

lca_algo LCA;
vector<int> a(N);
vector<pii> adj2[N];
vector<int> mxl(N), mnr(N);
vector<array<int,3>> edge_contrib;

void dfs1(int u, int p){
    for(auto [v,d] : adj2[u]){
        if(v == p) conts;
        dfs1(v,u);
        amax(mxl[u],mxl[v]);
        amin(mnr[u],mnr[v]);
        edge_contrib.pb({mxl[v],mnr[v],d});
    }
}

vector<int> ans(N);
vector<array<int,3>> here[N];
fenwick<int> fenw(N);

void go(int l, int r, vector<array<int,3>> queries){
    if(l > r) return;

    int mid = (l+r) >> 1;
    vector<array<int,3>> queries_left, queries_right, queries_curr;

    for(auto [ql,qr,id] : queries){
        if(qr < mid){
            queries_left.pb({ql,qr,id});
        }
        else if(ql > mid){
            queries_right.pb({ql,qr,id});
        }
        else{
            queries_curr.pb({ql,qr,id});
        }
    }

    vector<pii> nodes;
    for(int i = l; i <= r; ++i){
        int u = a[i];
        nodes.pb({LCA.tin[u],u});
    }

    sort(all(nodes));
    int siz = sz(nodes);

    rep(i,siz-1){
        int lca = LCA.query(nodes[i].ss,nodes[i+1].ss);
        nodes.pb({LCA.tin[lca],lca});
    }

    sort(all(nodes));
    nodes.resize(unique(all(nodes))-nodes.begin());
    siz = sz(nodes);

    stack<int> stk;
    stk.push(nodes[0].ss);

    rep1(i,siz-1){
        auto [ti,u] = nodes[i];
        while(!LCA.is_ances(stk.top(),u)){
            stk.pop();
        }
        assert(!stk.empty());
        
        int p = stk.top();
        int d = LCA.get_dis(p,u);
        adj2[p].pb({u,d}), adj2[u].pb({p,d});
        stk.push(u);
    }

    for(auto [ti,u] : nodes){
        mxl[u] = 0;
        mnr[u] = r+1;
    }

    for(int i = l; i < mid; ++i){
        int u = a[i];
        amax(mxl[u],i);
    }
    for(int i = mid+1; i <= r; ++i){
        int u = a[i];
        amin(mnr[u],i);
    }

    edge_contrib.clear();
    int root = a[mid];
    dfs1(root,-1);

    for(auto [ql,qr,id] : queries_curr){
        here[ql].pb({qr,id,1});
    }

    for(auto [lx,rx,w] : edge_contrib){
        here[lx].pb({rx,w,2});
    }

    int sum = 0;
    for(auto [lx,rx,w] : edge_contrib){
        if(lx >= l){
            sum += w;
        }
        else{
            fenw.pupd(rx,w);
        }
    }

    for(int ql = l; ql <= mid; ++ql){
        trav(ar,here[ql]){
            if(ar[2] == 1){
                auto [qr,id,t] = ar;
                int res = sum+fenw.query(1,qr)+1;
                ans[id] = res;
            }
            else{
                auto [rx,w,t] = ar;
                sum -= w;
                fenw.pupd(rx,w);
            }
        }
    }

    // reset
    for(auto [ql,qr,id] : queries_curr){
        here[ql].clear();
    }
    for(auto [lx,rx,w] : edge_contrib){
        here[lx].clear();
    }
    for(auto [ti,u] : nodes){
        adj2[u].clear();
    }
    for(auto [lx,rx,w] : edge_contrib){
        fenw.pupd(rx,-w);
    }

    go(l,mid-1,queries_left);
    go(mid+1,r,queries_right);
}

void solve(int test_case)
{
    int n,m,q; cin >> n >> m >> q;
    rep1(i,n-1){
        int u,v; cin >> u >> v;
        adj1[u].pb(v), adj1[v].pb(u);
    }
    rep1(i,m) cin >> a[i];

    LCA = lca_algo(n);
    vector<array<int,3>> queries;

    rep1(i,q){
        int l,r; cin >> l >> r;
        queries.pb({l,r,i});
    }

    go(1,m,queries);

    rep1(i,q) cout << ans[i] << endl;
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9304 KB Output is correct
2 Correct 3 ms 9308 KB Output is correct
3 Correct 2 ms 9308 KB Output is correct
4 Correct 3 ms 9308 KB Output is correct
5 Correct 3 ms 9308 KB Output is correct
6 Correct 3 ms 9308 KB Output is correct
7 Correct 3 ms 9308 KB Output is correct
8 Correct 3 ms 9308 KB Output is correct
9 Correct 3 ms 9564 KB Output is correct
10 Correct 3 ms 9564 KB Output is correct
11 Correct 3 ms 9564 KB Output is correct
12 Correct 3 ms 9416 KB Output is correct
13 Correct 4 ms 9564 KB Output is correct
14 Correct 3 ms 9816 KB Output is correct
15 Correct 3 ms 9564 KB Output is correct
16 Correct 3 ms 9564 KB Output is correct
17 Correct 4 ms 9564 KB Output is correct
18 Correct 4 ms 9564 KB Output is correct
19 Correct 3 ms 9564 KB Output is correct
20 Correct 4 ms 9364 KB Output is correct
21 Correct 3 ms 9560 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 4 ms 9564 KB Output is correct
24 Correct 3 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 3 ms 9564 KB Output is correct
27 Correct 3 ms 9308 KB Output is correct
28 Correct 3 ms 9308 KB Output is correct
29 Correct 3 ms 9564 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9304 KB Output is correct
2 Correct 3 ms 9308 KB Output is correct
3 Correct 2 ms 9308 KB Output is correct
4 Correct 3 ms 9308 KB Output is correct
5 Correct 3 ms 9308 KB Output is correct
6 Correct 3 ms 9308 KB Output is correct
7 Correct 3 ms 9308 KB Output is correct
8 Correct 3 ms 9308 KB Output is correct
9 Correct 3 ms 9564 KB Output is correct
10 Correct 3 ms 9564 KB Output is correct
11 Correct 3 ms 9564 KB Output is correct
12 Correct 3 ms 9416 KB Output is correct
13 Correct 4 ms 9564 KB Output is correct
14 Correct 3 ms 9816 KB Output is correct
15 Correct 3 ms 9564 KB Output is correct
16 Correct 3 ms 9564 KB Output is correct
17 Correct 4 ms 9564 KB Output is correct
18 Correct 4 ms 9564 KB Output is correct
19 Correct 3 ms 9564 KB Output is correct
20 Correct 4 ms 9364 KB Output is correct
21 Correct 3 ms 9560 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 4 ms 9564 KB Output is correct
24 Correct 3 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 3 ms 9564 KB Output is correct
27 Correct 3 ms 9308 KB Output is correct
28 Correct 3 ms 9308 KB Output is correct
29 Correct 3 ms 9564 KB Output is correct
30 Correct 7 ms 9820 KB Output is correct
31 Correct 9 ms 9956 KB Output is correct
32 Correct 10 ms 10072 KB Output is correct
33 Correct 10 ms 10076 KB Output is correct
34 Correct 9 ms 10076 KB Output is correct
35 Correct 10 ms 10072 KB Output is correct
36 Correct 9 ms 10076 KB Output is correct
37 Correct 9 ms 10072 KB Output is correct
38 Correct 9 ms 10332 KB Output is correct
39 Correct 9 ms 10332 KB Output is correct
40 Correct 9 ms 10076 KB Output is correct
41 Correct 10 ms 10264 KB Output is correct
42 Correct 10 ms 10332 KB Output is correct
43 Correct 9 ms 10076 KB Output is correct
44 Correct 12 ms 10332 KB Output is correct
45 Correct 9 ms 10076 KB Output is correct
46 Correct 10 ms 10132 KB Output is correct
47 Correct 11 ms 10076 KB Output is correct
48 Correct 9 ms 10076 KB Output is correct
49 Correct 9 ms 10076 KB Output is correct
50 Correct 7 ms 9816 KB Output is correct
51 Correct 7 ms 9820 KB Output is correct
52 Correct 7 ms 10048 KB Output is correct
53 Correct 7 ms 9820 KB Output is correct
54 Correct 7 ms 10076 KB Output is correct
55 Correct 7 ms 9820 KB Output is correct
56 Correct 4 ms 9648 KB Output is correct
57 Correct 3 ms 9820 KB Output is correct
58 Correct 10 ms 10076 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 9308 KB Output is correct
2 Correct 2 ms 9308 KB Output is correct
3 Correct 4 ms 9564 KB Output is correct
4 Correct 524 ms 47632 KB Output is correct
5 Correct 359 ms 42980 KB Output is correct
6 Correct 558 ms 53444 KB Output is correct
7 Correct 698 ms 60176 KB Output is correct
8 Correct 740 ms 62072 KB Output is correct
9 Correct 761 ms 62692 KB Output is correct
10 Correct 702 ms 62148 KB Output is correct
11 Correct 720 ms 61012 KB Output is correct
12 Correct 417 ms 47940 KB Output is correct
13 Correct 419 ms 48000 KB Output is correct
14 Correct 423 ms 48136 KB Output is correct
15 Correct 53 ms 33792 KB Output is correct
16 Correct 775 ms 64724 KB Output is correct
17 Correct 112 ms 19424 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 9308 KB Output is correct
2 Correct 410 ms 25792 KB Output is correct
3 Correct 615 ms 31052 KB Output is correct
4 Correct 523 ms 29480 KB Output is correct
5 Correct 864 ms 39364 KB Output is correct
6 Correct 818 ms 39312 KB Output is correct
7 Correct 897 ms 39464 KB Output is correct
8 Correct 912 ms 39360 KB Output is correct
9 Correct 864 ms 39688 KB Output is correct
10 Correct 878 ms 39360 KB Output is correct
11 Correct 927 ms 39032 KB Output is correct
12 Correct 902 ms 39728 KB Output is correct
13 Correct 857 ms 39604 KB Output is correct
14 Correct 865 ms 40932 KB Output is correct
15 Correct 919 ms 45128 KB Output is correct
16 Correct 954 ms 40352 KB Output is correct
17 Correct 896 ms 40620 KB Output is correct
18 Correct 856 ms 40012 KB Output is correct
19 Correct 1083 ms 44820 KB Output is correct
20 Correct 1134 ms 45104 KB Output is correct
21 Correct 1223 ms 44932 KB Output is correct
22 Correct 1083 ms 44904 KB Output is correct
23 Correct 956 ms 45148 KB Output is correct
24 Correct 1138 ms 45176 KB Output is correct
25 Correct 1026 ms 45000 KB Output is correct
26 Correct 1070 ms 45008 KB Output is correct
27 Correct 1046 ms 45336 KB Output is correct
28 Correct 1063 ms 44864 KB Output is correct
29 Correct 1138 ms 45160 KB Output is correct
30 Correct 1113 ms 44988 KB Output is correct
31 Correct 1119 ms 45620 KB Output is correct
32 Correct 1084 ms 46364 KB Output is correct
33 Correct 1144 ms 48320 KB Output is correct
34 Correct 1122 ms 51304 KB Output is correct

Subtask #5
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 9304 KB Output is correct
2 Correct 3 ms 9308 KB Output is correct
3 Correct 4 ms 9564 KB Output is correct
4 Correct 593 ms 36908 KB Output is correct
5 Correct 607 ms 37400 KB Output is correct
6 Correct 759 ms 43640 KB Output is correct
7 Correct 771 ms 46504 KB Output is correct
8 Correct 794 ms 46684 KB Output is correct
9 Correct 770 ms 46432 KB Output is correct
10 Correct 790 ms 46860 KB Output is correct
11 Correct 771 ms 46376 KB Output is correct
12 Correct 776 ms 46768 KB Output is correct
13 Correct 804 ms 46528 KB Output is correct
14 Correct 118 ms 19456 KB Output is correct

Subtask #6
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9304 KB Output is correct
2 Correct 3 ms 9308 KB Output is correct
3 Correct 2 ms 9308 KB Output is correct
4 Correct 3 ms 9308 KB Output is correct
5 Correct 3 ms 9308 KB Output is correct
6 Correct 3 ms 9308 KB Output is correct
7 Correct 3 ms 9308 KB Output is correct
8 Correct 3 ms 9308 KB Output is correct
9 Correct 3 ms 9564 KB Output is correct
10 Correct 3 ms 9564 KB Output is correct
11 Correct 3 ms 9564 KB Output is correct
12 Correct 3 ms 9416 KB Output is correct
13 Correct 4 ms 9564 KB Output is correct
14 Correct 3 ms 9816 KB Output is correct
15 Correct 3 ms 9564 KB Output is correct
16 Correct 3 ms 9564 KB Output is correct
17 Correct 4 ms 9564 KB Output is correct
18 Correct 4 ms 9564 KB Output is correct
19 Correct 3 ms 9564 KB Output is correct
20 Correct 4 ms 9364 KB Output is correct
21 Correct 3 ms 9560 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 4 ms 9564 KB Output is correct
24 Correct 3 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 3 ms 9564 KB Output is correct
27 Correct 3 ms 9308 KB Output is correct
28 Correct 3 ms 9308 KB Output is correct
29 Correct 3 ms 9564 KB Output is correct
30 Correct 7 ms 9820 KB Output is correct
31 Correct 9 ms 9956 KB Output is correct
32 Correct 10 ms 10072 KB Output is correct
33 Correct 10 ms 10076 KB Output is correct
34 Correct 9 ms 10076 KB Output is correct
35 Correct 10 ms 10072 KB Output is correct
36 Correct 9 ms 10076 KB Output is correct
37 Correct 9 ms 10072 KB Output is correct
38 Correct 9 ms 10332 KB Output is correct
39 Correct 9 ms 10332 KB Output is correct
40 Correct 9 ms 10076 KB Output is correct
41 Correct 10 ms 10264 KB Output is correct
42 Correct 10 ms 10332 KB Output is correct
43 Correct 9 ms 10076 KB Output is correct
44 Correct 12 ms 10332 KB Output is correct
45 Correct 9 ms 10076 KB Output is correct
46 Correct 10 ms 10132 KB Output is correct
47 Correct 11 ms 10076 KB Output is correct
48 Correct 9 ms 10076 KB Output is correct
49 Correct 9 ms 10076 KB Output is correct
50 Correct 7 ms 9816 KB Output is correct
51 Correct 7 ms 9820 KB Output is correct
52 Correct 7 ms 10048 KB Output is correct
53 Correct 7 ms 9820 KB Output is correct
54 Correct 7 ms 10076 KB Output is correct
55 Correct 7 ms 9820 KB Output is correct
56 Correct 4 ms 9648 KB Output is correct
57 Correct 3 ms 9820 KB Output is correct
58 Correct 10 ms 10076 KB Output is correct
59 Correct 3 ms 9308 KB Output is correct
60 Correct 2 ms 9308 KB Output is correct
61 Correct 4 ms 9564 KB Output is correct
62 Correct 524 ms 47632 KB Output is correct
63 Correct 359 ms 42980 KB Output is correct
64 Correct 558 ms 53444 KB Output is correct
65 Correct 698 ms 60176 KB Output is correct
66 Correct 740 ms 62072 KB Output is correct
67 Correct 761 ms 62692 KB Output is correct
68 Correct 702 ms 62148 KB Output is correct
69 Correct 720 ms 61012 KB Output is correct
70 Correct 417 ms 47940 KB Output is correct
71 Correct 419 ms 48000 KB Output is correct
72 Correct 423 ms 48136 KB Output is correct
73 Correct 53 ms 33792 KB Output is correct
74 Correct 775 ms 64724 KB Output is correct
75 Correct 112 ms 19424 KB Output is correct
76 Correct 3 ms 9308 KB Output is correct
77 Correct 410 ms 25792 KB Output is correct
78 Correct 615 ms 31052 KB Output is correct
79 Correct 523 ms 29480 KB Output is correct
80 Correct 864 ms 39364 KB Output is correct
81 Correct 818 ms 39312 KB Output is correct
82 Correct 897 ms 39464 KB Output is correct
83 Correct 912 ms 39360 KB Output is correct
84 Correct 864 ms 39688 KB Output is correct
85 Correct 878 ms 39360 KB Output is correct
86 Correct 927 ms 39032 KB Output is correct
87 Correct 902 ms 39728 KB Output is correct
88 Correct 857 ms 39604 KB Output is correct
89 Correct 865 ms 40932 KB Output is correct
90 Correct 919 ms 45128 KB Output is correct
91 Correct 954 ms 40352 KB Output is correct
92 Correct 896 ms 40620 KB Output is correct
93 Correct 856 ms 40012 KB Output is correct
94 Correct 1083 ms 44820 KB Output is correct
95 Correct 1134 ms 45104 KB Output is correct
96 Correct 1223 ms 44932 KB Output is correct
97 Correct 1083 ms 44904 KB Output is correct
98 Correct 956 ms 45148 KB Output is correct
99 Correct 1138 ms 45176 KB Output is correct
100 Correct 1026 ms 45000 KB Output is correct
101 Correct 1070 ms 45008 KB Output is correct
102 Correct 1046 ms 45336 KB Output is correct
103 Correct 1063 ms 44864 KB Output is correct
104 Correct 1138 ms 45160 KB Output is correct
105 Correct 1113 ms 44988 KB Output is correct
106 Correct 1119 ms 45620 KB Output is correct
107 Correct 1084 ms 46364 KB Output is correct
108 Correct 1144 ms 48320 KB Output is correct
109 Correct 1122 ms 51304 KB Output is correct
110 Correct 3 ms 9304 KB Output is correct
111 Correct 3 ms 9308 KB Output is correct
112 Correct 4 ms 9564 KB Output is correct
113 Correct 593 ms 36908 KB Output is correct
114 Correct 607 ms 37400 KB Output is correct
115 Correct 759 ms 43640 KB Output is correct
116 Correct 771 ms 46504 KB Output is correct
117 Correct 794 ms 46684 KB Output is correct
118 Correct 770 ms 46432 KB Output is correct
119 Correct 790 ms 46860 KB Output is correct
120 Correct 771 ms 46376 KB Output is correct
121 Correct 776 ms 46768 KB Output is correct
122 Correct 804 ms 46528 KB Output is correct
123 Correct 118 ms 19456 KB Output is correct
124 Correct 765 ms 41460 KB Output is correct
125 Correct 588 ms 36732 KB Output is correct
126 Correct 1012 ms 44060 KB Output is correct
127 Correct 947 ms 43968 KB Output is correct
128 Correct 940 ms 44344 KB Output is correct
129 Correct 951 ms 43848 KB Output is correct
130 Correct 958 ms 43776 KB Output is correct
131 Correct 940 ms 59988 KB Output is correct
132 Correct 955 ms 59792 KB Output is correct
133 Correct 984 ms 62660 KB Output is correct
134 Correct 1230 ms 49764 KB Output is correct
135 Correct 1160 ms 49768 KB Output is correct
136 Correct 1263 ms 49740 KB Output is correct
137 Correct 567 ms 39232 KB Output is correct
138 Correct 574 ms 39304 KB Output is correct
139 Correct 576 ms 39312 KB Output is correct
140 Correct 604 ms 39428 KB Output is correct
141 Correct 533 ms 39276 KB Output is correct
142 Correct 609 ms 39748 KB Output is correct
143 Correct 68 ms 29712 KB Output is correct
144 Correct 1000 ms 45656 KB Output is correct