oj.uz

Submission #1032437

# Submission time Handle Problem Language Result Execution time Memory
1032437 2024-07-23T18:46:12 Z Shayan86 Reconstruction Project (JOI22_reconstruction) C++14
100 / 100
 715 ms 46532 KB 
#include <bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// Ofast, O0, O1, O2, O3, unroll-loops, fast-math, trapv
 
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
 
#define Mp          make_pair
#define sep         ' '
#define endl        '\n'
#define F	        first
#define S	        second
#define pb          push_back
#define all(x)      (x).begin(),(x).end()
#define kill(res)	cout << res << '\n', exit(0);
#define set_dec(x)	cout << fixed << setprecision(x);
#define fast_io     ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io     freopen("input.txt", "r", stdin) ; freopen("output.txt", "w", stdout);
 
const ll N = 507;
const ll M = 1e5 + 50;
const ll Q = 1e6 + 50;
const ll Mod = 1e9 + 7;
 
int n, m, q, lt[M], rt[M], qu[Q], par[N], sz[N];
ll zp[Q], sum[Q];
 
vector<pair<int, pii>> edge;
 
int getPar(int v){
    return (par[v] == v ? v : par[v] = getPar(par[v]));
}
 
bool Union(int u, int v){
    u = getPar(u);
    v = getPar(v);
    if(u == v) return false;
    if(sz[v] < sz[u]) swap(u, v);
    sz[v] += sz[u]; par[u] = v;
    return true;
}
 
int main(){
    fast_io;
 
    cin >> n >> m;
 
    int u, v, w;
    for(int i = 1; i <= m; i++){
        cin >> u >> v >> w;
        edge.pb({w, {u, v}});
    }
    sort(all(edge));
 
    cin >> q;
    for(int i = 0; i < q; i++) cin >> qu[i];
 
    for(int i = 0; i < m; i++) rt[i] = m;
    for(int i = 0; i < m; i++){
        for(int j = 1; j <= n; j++){
            sz[j] = 1; par[j] = j;
        }
 
        int u = edge[i].S.F;
        int v = edge[i].S.S;
        int w = edge[i].F;
 
        lt[i] = -1;
        for(int j = i-1; j >= 0; j--){
            bool ch = Union(edge[j].S.F, edge[j].S.S);
            if(ch && getPar(u) == getPar(v)){
                lt[i] = j; break;
            }
        }
        if(lt[i] != -1) rt[lt[i]] = i;
    }
 
    //for(int i = 0; i < m; i++) cout << lt[i] << sep << rt[i] << endl;
 
    for(int i = 0; i < m; i++){
        int p1 = 0;
        if(lt[i] != -1) p1 = lower_bound(qu, qu + q, (edge[i].F + edge[lt[i]].F + 1)/2) - qu;
 
        int p2 = lower_bound(qu, qu + q, edge[i].F) - qu;
 
        int p3 = q;
        if(rt[i] != m) p3 = lower_bound(qu, qu + q, (edge[i].F + edge[rt[i]].F - 1) / 2 + 1) - qu;
 
        //cout << edge[i].F << sep << edge[i].S.F << sep << edge[i].S.S << sep << p1 << sep << p2 << sep << p3 << endl;
        sum[p1] += edge[i].F;
        sum[p2] -= 2*edge[i].F;
        sum[p3] += edge[i].F;
        zp[p1]--;
        zp[p2] += 2;
        zp[p3]--;
    }
 
    for(int i = 1; i < q; i++){
        sum[i] += sum[i-1]; zp[i] += zp[i-1];
    }
 
    for(int i = 0; i < q; i++){
        ll res = sum[i] + zp[i] * qu[i];
        cout << res << endl;
        //cout << res << sep << sum[i] << sep << zp[i] << endl;
    }
 
}

Compilation message

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:70:13: warning: unused variable 'w' [-Wunused-variable]
   70 |         int w = edge[i].F;
      |             ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 1 ms 352 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 352 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 1 ms 352 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 352 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 522 ms 4144 KB Output is correct
21 Correct 410 ms 4032 KB Output is correct
22 Correct 478 ms 4244 KB Output is correct
23 Correct 482 ms 4032 KB Output is correct
24 Correct 520 ms 4056 KB Output is correct
25 Correct 542 ms 4036 KB Output is correct
26 Correct 529 ms 4196 KB Output is correct
27 Correct 548 ms 4040 KB Output is correct
28 Correct 522 ms 4132 KB Output is correct
29 Correct 403 ms 4036 KB Output is correct
30 Correct 553 ms 4260 KB Output is correct
31 Correct 529 ms 4032 KB Output is correct
32 Correct 564 ms 4208 KB Output is correct
33 Correct 512 ms 4036 KB Output is correct
34 Correct 239 ms 4292 KB Output is correct
35 Correct 597 ms 4160 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 593 ms 44344 KB Output is correct
5 Correct 630 ms 44452 KB Output is correct
6 Correct 580 ms 44512 KB Output is correct
7 Correct 397 ms 46276 KB Output is correct
8 Correct 330 ms 46532 KB Output is correct
9 Correct 272 ms 46372 KB Output is correct
10 Correct 593 ms 44484 KB Output is correct
11 Correct 295 ms 46448 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 1 ms 352 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 352 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 133 ms 41812 KB Output is correct
21 Correct 134 ms 42068 KB Output is correct
22 Correct 137 ms 41924 KB Output is correct
23 Correct 130 ms 41916 KB Output is correct
24 Correct 144 ms 41920 KB Output is correct
25 Correct 134 ms 41932 KB Output is correct
26 Correct 126 ms 41808 KB Output is correct
27 Correct 138 ms 42048 KB Output is correct
28 Correct 131 ms 41812 KB Output is correct
29 Correct 137 ms 41840 KB Output is correct
30 Correct 129 ms 42068 KB Output is correct
31 Correct 132 ms 41816 KB Output is correct
32 Correct 147 ms 42580 KB Output is correct
33 Correct 126 ms 41816 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 1 ms 352 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 352 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 522 ms 4144 KB Output is correct
21 Correct 410 ms 4032 KB Output is correct
22 Correct 478 ms 4244 KB Output is correct
23 Correct 482 ms 4032 KB Output is correct
24 Correct 520 ms 4056 KB Output is correct
25 Correct 542 ms 4036 KB Output is correct
26 Correct 529 ms 4196 KB Output is correct
27 Correct 548 ms 4040 KB Output is correct
28 Correct 522 ms 4132 KB Output is correct
29 Correct 403 ms 4036 KB Output is correct
30 Correct 553 ms 4260 KB Output is correct
31 Correct 529 ms 4032 KB Output is correct
32 Correct 564 ms 4208 KB Output is correct
33 Correct 512 ms 4036 KB Output is correct
34 Correct 239 ms 4292 KB Output is correct
35 Correct 597 ms 4160 KB Output is correct
36 Correct 562 ms 5028 KB Output is correct
37 Correct 422 ms 5004 KB Output is correct
38 Correct 444 ms 4928 KB Output is correct
39 Correct 534 ms 5060 KB Output is correct
40 Correct 523 ms 4948 KB Output is correct
41 Correct 560 ms 4948 KB Output is correct
42 Correct 566 ms 4808 KB Output is correct
43 Correct 568 ms 4924 KB Output is correct
44 Correct 529 ms 4864 KB Output is correct
45 Correct 411 ms 4980 KB Output is correct
46 Correct 591 ms 4940 KB Output is correct
47 Correct 528 ms 4860 KB Output is correct
48 Correct 545 ms 4936 KB Output is correct
49 Correct 602 ms 4928 KB Output is correct
50 Correct 253 ms 5080 KB Output is correct
51 Correct 544 ms 4800 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 1 ms 352 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 352 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 522 ms 4144 KB Output is correct
21 Correct 410 ms 4032 KB Output is correct
22 Correct 478 ms 4244 KB Output is correct
23 Correct 482 ms 4032 KB Output is correct
24 Correct 520 ms 4056 KB Output is correct
25 Correct 542 ms 4036 KB Output is correct
26 Correct 529 ms 4196 KB Output is correct
27 Correct 548 ms 4040 KB Output is correct
28 Correct 522 ms 4132 KB Output is correct
29 Correct 403 ms 4036 KB Output is correct
30 Correct 553 ms 4260 KB Output is correct
31 Correct 529 ms 4032 KB Output is correct
32 Correct 564 ms 4208 KB Output is correct
33 Correct 512 ms 4036 KB Output is correct
34 Correct 239 ms 4292 KB Output is correct
35 Correct 597 ms 4160 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 593 ms 44344 KB Output is correct
40 Correct 630 ms 44452 KB Output is correct
41 Correct 580 ms 44512 KB Output is correct
42 Correct 397 ms 46276 KB Output is correct
43 Correct 330 ms 46532 KB Output is correct
44 Correct 272 ms 46372 KB Output is correct
45 Correct 593 ms 44484 KB Output is correct
46 Correct 295 ms 46448 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 133 ms 41812 KB Output is correct
49 Correct 134 ms 42068 KB Output is correct
50 Correct 137 ms 41924 KB Output is correct
51 Correct 130 ms 41916 KB Output is correct
52 Correct 144 ms 41920 KB Output is correct
53 Correct 134 ms 41932 KB Output is correct
54 Correct 126 ms 41808 KB Output is correct
55 Correct 138 ms 42048 KB Output is correct
56 Correct 131 ms 41812 KB Output is correct
57 Correct 137 ms 41840 KB Output is correct
58 Correct 129 ms 42068 KB Output is correct
59 Correct 132 ms 41816 KB Output is correct
60 Correct 147 ms 42580 KB Output is correct
61 Correct 126 ms 41816 KB Output is correct
62 Correct 562 ms 5028 KB Output is correct
63 Correct 422 ms 5004 KB Output is correct
64 Correct 444 ms 4928 KB Output is correct
65 Correct 534 ms 5060 KB Output is correct
66 Correct 523 ms 4948 KB Output is correct
67 Correct 560 ms 4948 KB Output is correct
68 Correct 566 ms 4808 KB Output is correct
69 Correct 568 ms 4924 KB Output is correct
70 Correct 529 ms 4864 KB Output is correct
71 Correct 411 ms 4980 KB Output is correct
72 Correct 591 ms 4940 KB Output is correct
73 Correct 528 ms 4860 KB Output is correct
74 Correct 545 ms 4936 KB Output is correct
75 Correct 602 ms 4928 KB Output is correct
76 Correct 253 ms 5080 KB Output is correct
77 Correct 544 ms 4800 KB Output is correct
78 Correct 648 ms 43360 KB Output is correct
79 Correct 543 ms 45496 KB Output is correct
80 Correct 554 ms 44392 KB Output is correct
81 Correct 633 ms 44480 KB Output is correct
82 Correct 652 ms 43536 KB Output is correct
83 Correct 654 ms 43452 KB Output is correct
84 Correct 715 ms 43488 KB Output is correct
85 Correct 672 ms 43456 KB Output is correct
86 Correct 660 ms 43552 KB Output is correct
87 Correct 516 ms 44948 KB Output is correct
88 Correct 679 ms 43396 KB Output is correct
89 Correct 703 ms 43456 KB Output is correct
90 Correct 664 ms 43604 KB Output is correct
91 Correct 690 ms 43360 KB Output is correct
92 Correct 377 ms 46280 KB Output is correct
93 Correct 677 ms 44484 KB Output is correct