oj.uz

Submission #699821

# Submission time Handle Problem Language Result Execution time Memory
699821 2023-02-18T05:02:18 Z vjudge1 Construction of Highway (JOI18_construction) C++17
16 / 100
 2000 ms 117096 KB 
#include "bits/stdc++.h"
using namespace std;

// #define ORD_SET
// #define ROPE
#ifdef ORD_SET
    #include <ext/pb_ds/assoc_container.hpp>
    #include <ext/pb_ds/tree_policy.hpp>
    using namespace __gnu_pbds;
    template<typename T>
    using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#endif
#ifdef ROPE
    #include <ext/rope>
    using namespace __gnu_cxx;
#endif        

// #pragma comment(linker, "/stack:200000000")
// #pragma GCC optimize("Ofast")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")

using ll = long long;
using ld = long double;
#define pb push_back
#define ff first
#define ss second
#define sz(x) (ll)(x).size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
// #define ll int
void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
void NotInteractive() { ios_base::sync_with_stdio(false); cin.tie(NULL); }
void pre(ll a) { cout<<fixed<<setprecision(a); }
ll bit(ll a) { return __builtin_popcountll(a); }
ll binmul(ll a, ll b, ll c) { ll res = 0; while(b) { if(b&1) (res += a) %= c; (a += a) %= c; b >>= 1; } return res; }
ll binpow(ll a, ll b, ll c) { ll res = 1; while(b) { if(b&1) (res *= a) %= c; (a *= a) %= c; b >>= 1; } return res; }
template<typename T> T gcd(T a, T b) { if(b==0) return a; return gcd(b, a%b); }
template<typename T> T lcm(T a, T b) { return a/gcd(a, b)*b; }
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ld rnd() { return rng()%INT_MAX*1.0/INT_MAX; }

struct sn { ll l, r, x; };
ll B = 316;
const ll mod = 1e9+7;
const ll inf = 1e18+7;
const ll MX = LLONG_MAX;
const ll MN = LLONG_MIN;
const ld P = acos(-1.0);
const ll N = 3e5+5;
ll c[N], t[N*4];
vector<ll> g[N];

void update(ll v, ll tl, ll tr, ll pos) {
    if(tl==tr) {
        t[v]++;
        return;
    }
    ll tm = (tl+tr)/2;
    if(pos<=tm) update(v*2, tl, tm, pos);
    else update(v*2+1, tm+1, tr, pos);
    t[v] = t[v*2]+t[v*2+1];
}

ll get(ll v, ll tl, ll tr, ll l, ll r) {
    if(r<tl || tr<l) return 0;
    if(l<=tl && tr<=r) return t[v];
    ll tm = (tl+tr)/2;
    return get(v*2, tl, tm, l, r)+get(v*2+1, tm+1, tr, l, r);
}

void kigash() {
    ll n;
    cin>>n;
    map<ll, ll> m; set<ll> st; ll ks = 0;
    for(ll i=1; i<=n; i++) cin>>c[i], st.insert(c[i]);
    for(auto to:st) m[to] = ++ks;
    for(ll i=1; i<=n; i++) c[i] = m[c[i]];
    g[1].pb(1);
    for(ll k=1; k<n; k++) {
        ll u, v, cnt = 0;
        cin>>u>>v;
        for(ll i=0; i<=(n+1)*4; i++) t[i] = 0;
        for(ll i=0; i<sz(g[u]); i++) {
            cnt += get(1, 1, n+1, c[g[u][i]]+1, n+1);
            update(1, 1, n+1, c[g[u][i]]);
        }
        cout<<cnt<<"\n";
        for(ll i=0; i<sz(g[u]); i++) c[g[u][i]] = c[v];
        g[v] = g[u];
        g[v].pb(v);
    }
    return;
}

signed main(/*Kigash Amir*/) {
    // freopen("");
    NotInteractive();
    // precalc();
    
    ll tt = 1;
    // cin>>tt;
    for(ll i=1; i<=tt; i++) kigash();
    
    exit(0);
}

Compilation message

construction.cpp: In function 'void freopen(std::string)':
construction.cpp:31:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
construction.cpp:31:73: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7508 KB Output is correct
6 Correct 5 ms 7476 KB Output is correct
7 Correct 4 ms 7508 KB Output is correct
8 Correct 16 ms 9912 KB Output is correct
9 Correct 16 ms 9828 KB Output is correct
10 Correct 15 ms 9828 KB Output is correct
11 Correct 9 ms 8404 KB Output is correct
12 Correct 9 ms 8448 KB Output is correct
13 Correct 9 ms 8404 KB Output is correct
14 Correct 12 ms 8464 KB Output is correct
15 Correct 5 ms 7508 KB Output is correct
16 Correct 6 ms 7508 KB Output is correct
17 Correct 5 ms 7508 KB Output is correct
18 Correct 7 ms 7428 KB Output is correct
19 Correct 10 ms 8404 KB Output is correct
20 Correct 10 ms 8404 KB Output is correct
21 Correct 10 ms 8360 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7380 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 15 ms 9812 KB Output is correct
27 Correct 9 ms 8404 KB Output is correct
28 Correct 9 ms 8388 KB Output is correct
29 Correct 11 ms 8532 KB Output is correct
30 Correct 6 ms 7508 KB Output is correct
31 Correct 4 ms 7380 KB Output is correct
32 Correct 9 ms 8396 KB Output is correct
33 Correct 7 ms 7892 KB Output is correct
34 Correct 6 ms 7764 KB Output is correct
35 Correct 7 ms 7636 KB Output is correct
36 Correct 7 ms 7892 KB Output is correct
37 Correct 6 ms 7636 KB Output is correct
38 Correct 5 ms 7636 KB Output is correct
39 Correct 7 ms 7892 KB Output is correct
40 Correct 6 ms 7764 KB Output is correct
41 Correct 6 ms 7728 KB Output is correct
42 Correct 8 ms 7892 KB Output is correct
43 Correct 6 ms 7636 KB Output is correct
44 Correct 6 ms 7636 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7508 KB Output is correct
6 Correct 5 ms 7476 KB Output is correct
7 Correct 4 ms 7508 KB Output is correct
8 Correct 16 ms 9912 KB Output is correct
9 Correct 16 ms 9828 KB Output is correct
10 Correct 15 ms 9828 KB Output is correct
11 Correct 9 ms 8404 KB Output is correct
12 Correct 9 ms 8448 KB Output is correct
13 Correct 9 ms 8404 KB Output is correct
14 Correct 12 ms 8464 KB Output is correct
15 Correct 5 ms 7508 KB Output is correct
16 Correct 6 ms 7508 KB Output is correct
17 Correct 5 ms 7508 KB Output is correct
18 Correct 7 ms 7428 KB Output is correct
19 Correct 10 ms 8404 KB Output is correct
20 Correct 10 ms 8404 KB Output is correct
21 Correct 10 ms 8360 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7380 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 15 ms 9812 KB Output is correct
27 Correct 9 ms 8404 KB Output is correct
28 Correct 9 ms 8388 KB Output is correct
29 Correct 11 ms 8532 KB Output is correct
30 Correct 6 ms 7508 KB Output is correct
31 Correct 4 ms 7380 KB Output is correct
32 Correct 9 ms 8396 KB Output is correct
33 Correct 7 ms 7892 KB Output is correct
34 Correct 6 ms 7764 KB Output is correct
35 Correct 7 ms 7636 KB Output is correct
36 Correct 7 ms 7892 KB Output is correct
37 Correct 6 ms 7636 KB Output is correct
38 Correct 5 ms 7636 KB Output is correct
39 Correct 7 ms 7892 KB Output is correct
40 Correct 6 ms 7764 KB Output is correct
41 Correct 6 ms 7728 KB Output is correct
42 Correct 8 ms 7892 KB Output is correct
43 Correct 6 ms 7636 KB Output is correct
44 Correct 6 ms 7636 KB Output is correct
45 Correct 7 ms 7648 KB Output is correct
46 Correct 24 ms 8596 KB Output is correct
47 Correct 24 ms 8508 KB Output is correct
48 Correct 23 ms 8456 KB Output is correct
49 Correct 835 ms 117096 KB Output is correct
50 Correct 846 ms 117028 KB Output is correct
51 Correct 884 ms 117064 KB Output is correct
52 Correct 428 ms 54228 KB Output is correct
53 Correct 470 ms 54184 KB Output is correct
54 Correct 432 ms 54220 KB Output is correct
55 Correct 446 ms 54380 KB Output is correct
56 Correct 425 ms 56072 KB Output is correct
57 Correct 26 ms 8640 KB Output is correct
58 Correct 26 ms 8608 KB Output is correct
59 Correct 26 ms 8652 KB Output is correct
60 Correct 26 ms 8736 KB Output is correct
61 Correct 439 ms 54392 KB Output is correct
62 Correct 436 ms 54428 KB Output is correct
63 Correct 437 ms 54348 KB Output is correct
64 Correct 21 ms 8084 KB Output is correct
65 Correct 20 ms 8020 KB Output is correct
66 Correct 22 ms 8148 KB Output is correct
67 Correct 23 ms 8220 KB Output is correct
68 Correct 886 ms 116536 KB Output is correct
69 Correct 437 ms 54108 KB Output is correct
70 Correct 469 ms 53984 KB Output is correct
71 Correct 466 ms 55460 KB Output is correct
72 Correct 31 ms 8660 KB Output is correct
73 Correct 23 ms 8148 KB Output is correct
74 Correct 445 ms 54024 KB Output is correct
75 Correct 231 ms 36484 KB Output is correct
76 Correct 165 ms 28732 KB Output is correct
77 Correct 125 ms 24312 KB Output is correct
78 Correct 236 ms 36220 KB Output is correct
79 Correct 169 ms 28384 KB Output is correct
80 Correct 128 ms 23912 KB Output is correct
81 Correct 227 ms 35792 KB Output is correct
82 Correct 163 ms 28576 KB Output is correct
83 Correct 125 ms 23824 KB Output is correct
84 Correct 237 ms 35528 KB Output is correct
85 Correct 162 ms 28088 KB Output is correct
86 Correct 133 ms 23584 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7508 KB Output is correct
6 Correct 5 ms 7476 KB Output is correct
7 Correct 4 ms 7508 KB Output is correct
8 Correct 16 ms 9912 KB Output is correct
9 Correct 16 ms 9828 KB Output is correct
10 Correct 15 ms 9828 KB Output is correct
11 Correct 9 ms 8404 KB Output is correct
12 Correct 9 ms 8448 KB Output is correct
13 Correct 9 ms 8404 KB Output is correct
14 Correct 12 ms 8464 KB Output is correct
15 Correct 5 ms 7508 KB Output is correct
16 Correct 6 ms 7508 KB Output is correct
17 Correct 5 ms 7508 KB Output is correct
18 Correct 7 ms 7428 KB Output is correct
19 Correct 10 ms 8404 KB Output is correct
20 Correct 10 ms 8404 KB Output is correct
21 Correct 10 ms 8360 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7380 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 15 ms 9812 KB Output is correct
27 Correct 9 ms 8404 KB Output is correct
28 Correct 9 ms 8388 KB Output is correct
29 Correct 11 ms 8532 KB Output is correct
30 Correct 6 ms 7508 KB Output is correct
31 Correct 4 ms 7380 KB Output is correct
32 Correct 9 ms 8396 KB Output is correct
33 Correct 7 ms 7892 KB Output is correct
34 Correct 6 ms 7764 KB Output is correct
35 Correct 7 ms 7636 KB Output is correct
36 Correct 7 ms 7892 KB Output is correct
37 Correct 6 ms 7636 KB Output is correct
38 Correct 5 ms 7636 KB Output is correct
39 Correct 7 ms 7892 KB Output is correct
40 Correct 6 ms 7764 KB Output is correct
41 Correct 6 ms 7728 KB Output is correct
42 Correct 8 ms 7892 KB Output is correct
43 Correct 6 ms 7636 KB Output is correct
44 Correct 6 ms 7636 KB Output is correct
45 Correct 7 ms 7648 KB Output is correct
46 Correct 24 ms 8596 KB Output is correct
47 Correct 24 ms 8508 KB Output is correct
48 Correct 23 ms 8456 KB Output is correct
49 Correct 835 ms 117096 KB Output is correct
50 Correct 846 ms 117028 KB Output is correct
51 Correct 884 ms 117064 KB Output is correct
52 Correct 428 ms 54228 KB Output is correct
53 Correct 470 ms 54184 KB Output is correct
54 Correct 432 ms 54220 KB Output is correct
55 Correct 446 ms 54380 KB Output is correct
56 Correct 425 ms 56072 KB Output is correct
57 Correct 26 ms 8640 KB Output is correct
58 Correct 26 ms 8608 KB Output is correct
59 Correct 26 ms 8652 KB Output is correct
60 Correct 26 ms 8736 KB Output is correct
61 Correct 439 ms 54392 KB Output is correct
62 Correct 436 ms 54428 KB Output is correct
63 Correct 437 ms 54348 KB Output is correct
64 Correct 21 ms 8084 KB Output is correct
65 Correct 20 ms 8020 KB Output is correct
66 Correct 22 ms 8148 KB Output is correct
67 Correct 23 ms 8220 KB Output is correct
68 Correct 886 ms 116536 KB Output is correct
69 Correct 437 ms 54108 KB Output is correct
70 Correct 469 ms 53984 KB Output is correct
71 Correct 466 ms 55460 KB Output is correct
72 Correct 31 ms 8660 KB Output is correct
73 Correct 23 ms 8148 KB Output is correct
74 Correct 445 ms 54024 KB Output is correct
75 Correct 231 ms 36484 KB Output is correct
76 Correct 165 ms 28732 KB Output is correct
77 Correct 125 ms 24312 KB Output is correct
78 Correct 236 ms 36220 KB Output is correct
79 Correct 169 ms 28384 KB Output is correct
80 Correct 128 ms 23912 KB Output is correct
81 Correct 227 ms 35792 KB Output is correct
82 Correct 163 ms 28576 KB Output is correct
83 Correct 125 ms 23824 KB Output is correct
84 Correct 237 ms 35528 KB Output is correct
85 Correct 162 ms 28088 KB Output is correct
86 Correct 133 ms 23584 KB Output is correct
87 Correct 120 ms 10296 KB Output is correct
88 Correct 837 ms 16420 KB Output is correct
89 Execution timed out 2094 ms 27064 KB Time limit exceeded
90 Halted 0 ms 0 KB -