oj.uz

Submission #427370

# Submission time Handle Problem Language Result Execution time Memory
427370 2021-06-14T14:38:18 Z cpp219 Traffic (IOI10_traffic) C++14
50 / 100
 668 ms 262148 KB 
#pragma GCC optimization "O2"
#pragma GCC optimization "unroll-loop"
#pragma GCC target ("avx2")

#include <bits/stdc++.h>
#define ll int
#define ld long double
#define fs first
#define sc second
using namespace std;
const ll N = 1e6 + 9;
const ll inf = 2e9 + 7;
const ll Log2 = 20;
typedef pair<ll,ll> LL;
vector<ll> g[N];
ll n,a[N],mn = inf,chosen,child[N],InitChild[N],sum;
set<LL> s[N];

void DFSinit(ll u,ll p){
    child[u] = a[u];
    for (auto i : g[u]){
        if (i == p) continue;
        DFSinit(i,u); child[u] += child[i];
        s[u].insert({child[i],i});
    }
    InitChild[u] = child[u];
}

void DFS(ll u,ll p){
    if (!s[u].empty()){
        LL now = *s[u].rbegin(),rm = {sum - child[u],-1};
        now = max(now,rm);
        if (now.fs < mn) mn = now.fs,chosen = u;
    }
    for (auto i : g[u]){
        if (i == p) continue;
        s[u].erase({child[i],i}); s[i].insert({sum - child[i],u});
        //cout<<child[i]<<" "<<i; exit(0);
        child[u] = sum - child[i]; child[i] = sum;
        DFS(i,u);
    }
    if (p >= 0){
        child[u] = InitChild[u];
        s[p].insert({child[u],u}); s[u].erase({child[p],p});
        child[p] = InitChild[p];
    }
}

ll LocateCentre(ll sz,ll P[],ll X[],ll Y[]){
    n = sz;
    for (ll i = 0;i < n;i++) a[i] = P[i],sum += a[i];
    for (ll i = 0;i < n - 1;i++){
        g[X[i]].push_back(Y[i]); g[Y[i]].push_back(X[i]);
    }
    DFSinit(0,-1); DFS(0,-1);
    return chosen;
}
/*
ll sz,X[N],Y[N],P[N];

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    #define task "test"
    if (fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        //freopen(task".out", "w", stdout);
    }
    cin>>sz;
    for (ll i = 0;i < sz;i++) cin>>P[i];
    for (ll i = 0;i < sz - 1;i++) cin>>X[i]>>Y[i];
    cout<<LocateCentre(sz,P,X,Y);
}
*/

Compilation message

traffic.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization "O2"
      | 
traffic.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      |

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70732 KB Output is correct
2 Correct 44 ms 70792 KB Output is correct
3 Correct 44 ms 70768 KB Output is correct
4 Correct 44 ms 70652 KB Output is correct
5 Correct 43 ms 70692 KB Output is correct
6 Correct 41 ms 70748 KB Output is correct
7 Correct 43 ms 70768 KB Output is correct
8 Correct 44 ms 70784 KB Output is correct
9 Correct 42 ms 70740 KB Output is correct
10 Correct 45 ms 70788 KB Output is correct
11 Correct 47 ms 70796 KB Output is correct
12 Correct 50 ms 70736 KB Output is correct
13 Correct 43 ms 70752 KB Output is correct
14 Correct 43 ms 70704 KB Output is correct
15 Correct 42 ms 70720 KB Output is correct
16 Correct 44 ms 70788 KB Output is correct
17 Correct 43 ms 70724 KB Output is correct
18 Correct 42 ms 70724 KB Output is correct
19 Correct 43 ms 70748 KB Output is correct
20 Correct 51 ms 70660 KB Output is correct
21 Correct 43 ms 70744 KB Output is correct
22 Correct 42 ms 70724 KB Output is correct
23 Correct 41 ms 70792 KB Output is correct
24 Correct 41 ms 70708 KB Output is correct
25 Correct 45 ms 70812 KB Output is correct
26 Correct 40 ms 70724 KB Output is correct
27 Correct 44 ms 70724 KB Output is correct
28 Correct 50 ms 70776 KB Output is correct
29 Correct 43 ms 70812 KB Output is correct
30 Correct 44 ms 70828 KB Output is correct
31 Correct 44 ms 70852 KB Output is correct
32 Correct 50 ms 70836 KB Output is correct
33 Correct 42 ms 70904 KB Output is correct
34 Correct 53 ms 70728 KB Output is correct
35 Correct 47 ms 70852 KB Output is correct
36 Correct 48 ms 70812 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 45 ms 70928 KB Output is correct
39 Correct 42 ms 70844 KB Output is correct
40 Correct 43 ms 70976 KB Output is correct
41 Correct 42 ms 70984 KB Output is correct
42 Correct 52 ms 70952 KB Output is correct
43 Correct 42 ms 70724 KB Output is correct
44 Correct 43 ms 70760 KB Output is correct
45 Correct 44 ms 70660 KB Output is correct
46 Correct 44 ms 70748 KB Output is correct
47 Correct 43 ms 70724 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70732 KB Output is correct
2 Correct 44 ms 70792 KB Output is correct
3 Correct 44 ms 70768 KB Output is correct
4 Correct 44 ms 70652 KB Output is correct
5 Correct 43 ms 70692 KB Output is correct
6 Correct 41 ms 70748 KB Output is correct
7 Correct 43 ms 70768 KB Output is correct
8 Correct 44 ms 70784 KB Output is correct
9 Correct 42 ms 70740 KB Output is correct
10 Correct 45 ms 70788 KB Output is correct
11 Correct 47 ms 70796 KB Output is correct
12 Correct 50 ms 70736 KB Output is correct
13 Correct 43 ms 70752 KB Output is correct
14 Correct 43 ms 70704 KB Output is correct
15 Correct 42 ms 70720 KB Output is correct
16 Correct 44 ms 70788 KB Output is correct
17 Correct 43 ms 70724 KB Output is correct
18 Correct 42 ms 70724 KB Output is correct
19 Correct 43 ms 70748 KB Output is correct
20 Correct 51 ms 70660 KB Output is correct
21 Correct 43 ms 70744 KB Output is correct
22 Correct 42 ms 70724 KB Output is correct
23 Correct 41 ms 70792 KB Output is correct
24 Correct 41 ms 70708 KB Output is correct
25 Correct 45 ms 70812 KB Output is correct
26 Correct 40 ms 70724 KB Output is correct
27 Correct 44 ms 70724 KB Output is correct
28 Correct 50 ms 70776 KB Output is correct
29 Correct 43 ms 70812 KB Output is correct
30 Correct 44 ms 70828 KB Output is correct
31 Correct 44 ms 70852 KB Output is correct
32 Correct 50 ms 70836 KB Output is correct
33 Correct 42 ms 70904 KB Output is correct
34 Correct 53 ms 70728 KB Output is correct
35 Correct 47 ms 70852 KB Output is correct
36 Correct 48 ms 70812 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 45 ms 70928 KB Output is correct
39 Correct 42 ms 70844 KB Output is correct
40 Correct 43 ms 70976 KB Output is correct
41 Correct 42 ms 70984 KB Output is correct
42 Correct 52 ms 70952 KB Output is correct
43 Correct 42 ms 70724 KB Output is correct
44 Correct 43 ms 70760 KB Output is correct
45 Correct 44 ms 70660 KB Output is correct
46 Correct 44 ms 70748 KB Output is correct
47 Correct 43 ms 70724 KB Output is correct
48 Correct 43 ms 70660 KB Output is correct
49 Correct 42 ms 70756 KB Output is correct
50 Correct 45 ms 70724 KB Output is correct
51 Correct 41 ms 70732 KB Output is correct
52 Correct 42 ms 70772 KB Output is correct
53 Correct 44 ms 70708 KB Output is correct
54 Correct 45 ms 70768 KB Output is correct
55 Correct 43 ms 70760 KB Output is correct
56 Correct 43 ms 70732 KB Output is correct
57 Correct 42 ms 70676 KB Output is correct
58 Correct 47 ms 70656 KB Output is correct
59 Correct 42 ms 70752 KB Output is correct
60 Correct 44 ms 70684 KB Output is correct
61 Correct 49 ms 70724 KB Output is correct
62 Correct 43 ms 70768 KB Output is correct
63 Correct 44 ms 70788 KB Output is correct
64 Correct 43 ms 70760 KB Output is correct
65 Correct 43 ms 70728 KB Output is correct
66 Correct 43 ms 70768 KB Output is correct
67 Correct 44 ms 70732 KB Output is correct
68 Correct 77 ms 82104 KB Output is correct
69 Correct 110 ms 93452 KB Output is correct
70 Correct 40 ms 70724 KB Output is correct
71 Correct 150 ms 104780 KB Output is correct
72 Correct 197 ms 116176 KB Output is correct
73 Correct 249 ms 127532 KB Output is correct
74 Correct 251 ms 138876 KB Output is correct
75 Correct 289 ms 150240 KB Output is correct
76 Correct 341 ms 161464 KB Output is correct
77 Correct 504 ms 172920 KB Output is correct
78 Correct 438 ms 184272 KB Output is correct
79 Correct 494 ms 195616 KB Output is correct
80 Correct 497 ms 206868 KB Output is correct
81 Correct 53 ms 70772 KB Output is correct
82 Correct 584 ms 218320 KB Output is correct
83 Correct 564 ms 229628 KB Output is correct
84 Correct 621 ms 240912 KB Output is correct
85 Correct 668 ms 252992 KB Output is correct
86 Runtime error 637 ms 262148 KB Execution killed with signal 9
87 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70732 KB Output is correct
2 Correct 44 ms 70792 KB Output is correct
3 Correct 44 ms 70768 KB Output is correct
4 Correct 44 ms 70652 KB Output is correct
5 Correct 43 ms 70692 KB Output is correct
6 Correct 41 ms 70748 KB Output is correct
7 Correct 43 ms 70768 KB Output is correct
8 Correct 44 ms 70784 KB Output is correct
9 Correct 42 ms 70740 KB Output is correct
10 Correct 45 ms 70788 KB Output is correct
11 Correct 47 ms 70796 KB Output is correct
12 Correct 50 ms 70736 KB Output is correct
13 Correct 43 ms 70752 KB Output is correct
14 Correct 43 ms 70704 KB Output is correct
15 Correct 42 ms 70720 KB Output is correct
16 Correct 44 ms 70788 KB Output is correct
17 Correct 43 ms 70724 KB Output is correct
18 Correct 42 ms 70724 KB Output is correct
19 Correct 43 ms 70748 KB Output is correct
20 Correct 51 ms 70660 KB Output is correct
21 Correct 43 ms 70744 KB Output is correct
22 Correct 42 ms 70724 KB Output is correct
23 Correct 41 ms 70792 KB Output is correct
24 Correct 41 ms 70708 KB Output is correct
25 Correct 45 ms 70812 KB Output is correct
26 Correct 40 ms 70724 KB Output is correct
27 Correct 44 ms 70724 KB Output is correct
28 Correct 50 ms 70776 KB Output is correct
29 Correct 43 ms 70812 KB Output is correct
30 Correct 44 ms 70828 KB Output is correct
31 Correct 44 ms 70852 KB Output is correct
32 Correct 50 ms 70836 KB Output is correct
33 Correct 42 ms 70904 KB Output is correct
34 Correct 53 ms 70728 KB Output is correct
35 Correct 47 ms 70852 KB Output is correct
36 Correct 48 ms 70812 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 45 ms 70928 KB Output is correct
39 Correct 42 ms 70844 KB Output is correct
40 Correct 43 ms 70976 KB Output is correct
41 Correct 42 ms 70984 KB Output is correct
42 Correct 52 ms 70952 KB Output is correct
43 Correct 42 ms 70724 KB Output is correct
44 Correct 43 ms 70760 KB Output is correct
45 Correct 44 ms 70660 KB Output is correct
46 Correct 44 ms 70748 KB Output is correct
47 Correct 43 ms 70724 KB Output is correct
48 Correct 40 ms 70736 KB Output is correct
49 Correct 50 ms 70712 KB Output is correct
50 Correct 46 ms 70668 KB Output is correct
51 Correct 44 ms 70740 KB Output is correct
52 Correct 45 ms 70724 KB Output is correct
53 Correct 44 ms 70740 KB Output is correct
54 Correct 47 ms 70708 KB Output is correct
55 Correct 42 ms 70732 KB Output is correct
56 Correct 40 ms 70752 KB Output is correct
57 Correct 42 ms 70768 KB Output is correct
58 Correct 44 ms 70696 KB Output is correct
59 Correct 43 ms 70756 KB Output is correct
60 Correct 52 ms 70680 KB Output is correct
61 Correct 48 ms 70688 KB Output is correct
62 Correct 50 ms 70720 KB Output is correct
63 Correct 45 ms 70712 KB Output is correct
64 Correct 53 ms 70724 KB Output is correct
65 Correct 48 ms 70772 KB Output is correct
66 Correct 53 ms 70664 KB Output is correct
67 Correct 87 ms 70684 KB Output is correct
68 Correct 101 ms 70688 KB Output is correct
69 Correct 51 ms 70772 KB Output is correct
70 Correct 44 ms 70772 KB Output is correct
71 Correct 49 ms 70768 KB Output is correct
72 Correct 43 ms 70672 KB Output is correct
73 Correct 46 ms 70700 KB Output is correct
74 Correct 46 ms 70744 KB Output is correct
75 Correct 41 ms 70796 KB Output is correct
76 Correct 58 ms 70728 KB Output is correct
77 Correct 47 ms 70708 KB Output is correct
78 Correct 42 ms 70704 KB Output is correct
79 Correct 45 ms 70724 KB Output is correct
80 Correct 43 ms 70812 KB Output is correct
81 Correct 45 ms 70764 KB Output is correct
82 Correct 57 ms 70804 KB Output is correct
83 Correct 43 ms 70824 KB Output is correct
84 Correct 41 ms 70724 KB Output is correct
85 Correct 51 ms 70792 KB Output is correct
86 Correct 43 ms 70804 KB Output is correct
87 Correct 44 ms 70852 KB Output is correct
88 Correct 42 ms 70756 KB Output is correct
89 Correct 46 ms 70752 KB Output is correct
90 Correct 42 ms 70768 KB Output is correct
91 Correct 49 ms 70824 KB Output is correct
92 Correct 42 ms 70768 KB Output is correct
93 Correct 47 ms 70776 KB Output is correct
94 Correct 44 ms 70816 KB Output is correct
95 Correct 48 ms 70952 KB Output is correct
96 Correct 49 ms 70708 KB Output is correct
97 Correct 43 ms 70660 KB Output is correct
98 Correct 46 ms 70676 KB Output is correct
99 Correct 46 ms 70648 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70732 KB Output is correct
2 Correct 44 ms 70792 KB Output is correct
3 Correct 44 ms 70768 KB Output is correct
4 Correct 44 ms 70652 KB Output is correct
5 Correct 43 ms 70692 KB Output is correct
6 Correct 41 ms 70748 KB Output is correct
7 Correct 43 ms 70768 KB Output is correct
8 Correct 44 ms 70784 KB Output is correct
9 Correct 42 ms 70740 KB Output is correct
10 Correct 45 ms 70788 KB Output is correct
11 Correct 47 ms 70796 KB Output is correct
12 Correct 50 ms 70736 KB Output is correct
13 Correct 43 ms 70752 KB Output is correct
14 Correct 43 ms 70704 KB Output is correct
15 Correct 42 ms 70720 KB Output is correct
16 Correct 44 ms 70788 KB Output is correct
17 Correct 43 ms 70724 KB Output is correct
18 Correct 42 ms 70724 KB Output is correct
19 Correct 43 ms 70748 KB Output is correct
20 Correct 51 ms 70660 KB Output is correct
21 Correct 43 ms 70744 KB Output is correct
22 Correct 42 ms 70724 KB Output is correct
23 Correct 41 ms 70792 KB Output is correct
24 Correct 41 ms 70708 KB Output is correct
25 Correct 45 ms 70812 KB Output is correct
26 Correct 40 ms 70724 KB Output is correct
27 Correct 44 ms 70724 KB Output is correct
28 Correct 50 ms 70776 KB Output is correct
29 Correct 43 ms 70812 KB Output is correct
30 Correct 44 ms 70828 KB Output is correct
31 Correct 44 ms 70852 KB Output is correct
32 Correct 50 ms 70836 KB Output is correct
33 Correct 42 ms 70904 KB Output is correct
34 Correct 53 ms 70728 KB Output is correct
35 Correct 47 ms 70852 KB Output is correct
36 Correct 48 ms 70812 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 45 ms 70928 KB Output is correct
39 Correct 42 ms 70844 KB Output is correct
40 Correct 43 ms 70976 KB Output is correct
41 Correct 42 ms 70984 KB Output is correct
42 Correct 52 ms 70952 KB Output is correct
43 Correct 42 ms 70724 KB Output is correct
44 Correct 43 ms 70760 KB Output is correct
45 Correct 44 ms 70660 KB Output is correct
46 Correct 44 ms 70748 KB Output is correct
47 Correct 43 ms 70724 KB Output is correct
48 Correct 43 ms 70660 KB Output is correct
49 Correct 42 ms 70756 KB Output is correct
50 Correct 45 ms 70724 KB Output is correct
51 Correct 41 ms 70732 KB Output is correct
52 Correct 42 ms 70772 KB Output is correct
53 Correct 44 ms 70708 KB Output is correct
54 Correct 45 ms 70768 KB Output is correct
55 Correct 43 ms 70760 KB Output is correct
56 Correct 43 ms 70732 KB Output is correct
57 Correct 42 ms 70676 KB Output is correct
58 Correct 47 ms 70656 KB Output is correct
59 Correct 42 ms 70752 KB Output is correct
60 Correct 44 ms 70684 KB Output is correct
61 Correct 49 ms 70724 KB Output is correct
62 Correct 43 ms 70768 KB Output is correct
63 Correct 44 ms 70788 KB Output is correct
64 Correct 43 ms 70760 KB Output is correct
65 Correct 43 ms 70728 KB Output is correct
66 Correct 43 ms 70768 KB Output is correct
67 Correct 44 ms 70732 KB Output is correct
68 Correct 77 ms 82104 KB Output is correct
69 Correct 110 ms 93452 KB Output is correct
70 Correct 40 ms 70724 KB Output is correct
71 Correct 150 ms 104780 KB Output is correct
72 Correct 197 ms 116176 KB Output is correct
73 Correct 249 ms 127532 KB Output is correct
74 Correct 251 ms 138876 KB Output is correct
75 Correct 289 ms 150240 KB Output is correct
76 Correct 341 ms 161464 KB Output is correct
77 Correct 504 ms 172920 KB Output is correct
78 Correct 438 ms 184272 KB Output is correct
79 Correct 494 ms 195616 KB Output is correct
80 Correct 497 ms 206868 KB Output is correct
81 Correct 53 ms 70772 KB Output is correct
82 Correct 584 ms 218320 KB Output is correct
83 Correct 564 ms 229628 KB Output is correct
84 Correct 621 ms 240912 KB Output is correct
85 Correct 668 ms 252992 KB Output is correct
86 Runtime error 637 ms 262148 KB Execution killed with signal 9
87 Halted 0 ms 0 KB -