oj.uz

Submission #427373

# Submission time Handle Problem Language Result Execution time Memory
427373 2021-06-14T14:39:26 Z cpp219 Traffic (IOI10_traffic) C++14
50 / 100
 663 ms 262144 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 = INT_MAX;
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 70724 KB Output is correct
2 Correct 49 ms 70768 KB Output is correct
3 Correct 45 ms 70672 KB Output is correct
4 Correct 46 ms 70732 KB Output is correct
5 Correct 47 ms 70724 KB Output is correct
6 Correct 48 ms 70720 KB Output is correct
7 Correct 45 ms 70728 KB Output is correct
8 Correct 45 ms 70744 KB Output is correct
9 Correct 43 ms 70772 KB Output is correct
10 Correct 45 ms 70852 KB Output is correct
11 Correct 45 ms 70768 KB Output is correct
12 Correct 45 ms 70716 KB Output is correct
13 Correct 56 ms 70740 KB Output is correct
14 Correct 45 ms 70700 KB Output is correct
15 Correct 45 ms 70772 KB Output is correct
16 Correct 45 ms 70684 KB Output is correct
17 Correct 46 ms 70736 KB Output is correct
18 Correct 44 ms 70672 KB Output is correct
19 Correct 47 ms 70732 KB Output is correct
20 Correct 47 ms 70776 KB Output is correct
21 Correct 45 ms 70776 KB Output is correct
22 Correct 50 ms 70736 KB Output is correct
23 Correct 45 ms 70752 KB Output is correct
24 Correct 46 ms 70724 KB Output is correct
25 Correct 47 ms 70720 KB Output is correct
26 Correct 52 ms 70724 KB Output is correct
27 Correct 46 ms 70776 KB Output is correct
28 Correct 51 ms 70828 KB Output is correct
29 Correct 43 ms 70792 KB Output is correct
30 Correct 44 ms 70756 KB Output is correct
31 Correct 46 ms 71008 KB Output is correct
32 Correct 55 ms 70832 KB Output is correct
33 Correct 46 ms 70848 KB Output is correct
34 Correct 45 ms 70784 KB Output is correct
35 Correct 45 ms 70852 KB Output is correct
36 Correct 46 ms 70932 KB Output is correct
37 Correct 44 ms 70860 KB Output is correct
38 Correct 47 ms 70828 KB Output is correct
39 Correct 44 ms 70860 KB Output is correct
40 Correct 45 ms 71004 KB Output is correct
41 Correct 46 ms 70928 KB Output is correct
42 Correct 44 ms 70940 KB Output is correct
43 Correct 44 ms 70724 KB Output is correct
44 Correct 45 ms 70724 KB Output is correct
45 Correct 45 ms 70776 KB Output is correct
46 Correct 45 ms 70692 KB Output is correct
47 Correct 44 ms 70724 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70724 KB Output is correct
2 Correct 49 ms 70768 KB Output is correct
3 Correct 45 ms 70672 KB Output is correct
4 Correct 46 ms 70732 KB Output is correct
5 Correct 47 ms 70724 KB Output is correct
6 Correct 48 ms 70720 KB Output is correct
7 Correct 45 ms 70728 KB Output is correct
8 Correct 45 ms 70744 KB Output is correct
9 Correct 43 ms 70772 KB Output is correct
10 Correct 45 ms 70852 KB Output is correct
11 Correct 45 ms 70768 KB Output is correct
12 Correct 45 ms 70716 KB Output is correct
13 Correct 56 ms 70740 KB Output is correct
14 Correct 45 ms 70700 KB Output is correct
15 Correct 45 ms 70772 KB Output is correct
16 Correct 45 ms 70684 KB Output is correct
17 Correct 46 ms 70736 KB Output is correct
18 Correct 44 ms 70672 KB Output is correct
19 Correct 47 ms 70732 KB Output is correct
20 Correct 47 ms 70776 KB Output is correct
21 Correct 45 ms 70776 KB Output is correct
22 Correct 50 ms 70736 KB Output is correct
23 Correct 45 ms 70752 KB Output is correct
24 Correct 46 ms 70724 KB Output is correct
25 Correct 47 ms 70720 KB Output is correct
26 Correct 52 ms 70724 KB Output is correct
27 Correct 46 ms 70776 KB Output is correct
28 Correct 51 ms 70828 KB Output is correct
29 Correct 43 ms 70792 KB Output is correct
30 Correct 44 ms 70756 KB Output is correct
31 Correct 46 ms 71008 KB Output is correct
32 Correct 55 ms 70832 KB Output is correct
33 Correct 46 ms 70848 KB Output is correct
34 Correct 45 ms 70784 KB Output is correct
35 Correct 45 ms 70852 KB Output is correct
36 Correct 46 ms 70932 KB Output is correct
37 Correct 44 ms 70860 KB Output is correct
38 Correct 47 ms 70828 KB Output is correct
39 Correct 44 ms 70860 KB Output is correct
40 Correct 45 ms 71004 KB Output is correct
41 Correct 46 ms 70928 KB Output is correct
42 Correct 44 ms 70940 KB Output is correct
43 Correct 44 ms 70724 KB Output is correct
44 Correct 45 ms 70724 KB Output is correct
45 Correct 45 ms 70776 KB Output is correct
46 Correct 45 ms 70692 KB Output is correct
47 Correct 44 ms 70724 KB Output is correct
48 Correct 47 ms 70668 KB Output is correct
49 Correct 46 ms 70784 KB Output is correct
50 Correct 45 ms 70724 KB Output is correct
51 Correct 45 ms 70740 KB Output is correct
52 Correct 48 ms 70740 KB Output is correct
53 Correct 47 ms 70692 KB Output is correct
54 Correct 46 ms 70692 KB Output is correct
55 Correct 50 ms 70664 KB Output is correct
56 Correct 49 ms 70688 KB Output is correct
57 Correct 44 ms 70780 KB Output is correct
58 Correct 44 ms 70720 KB Output is correct
59 Correct 43 ms 70652 KB Output is correct
60 Correct 45 ms 70724 KB Output is correct
61 Correct 44 ms 70744 KB Output is correct
62 Correct 53 ms 70764 KB Output is correct
63 Correct 50 ms 70696 KB Output is correct
64 Correct 44 ms 70692 KB Output is correct
65 Correct 45 ms 70724 KB Output is correct
66 Correct 44 ms 70792 KB Output is correct
67 Correct 44 ms 70764 KB Output is correct
68 Correct 81 ms 82096 KB Output is correct
69 Correct 135 ms 93424 KB Output is correct
70 Correct 44 ms 70704 KB Output is correct
71 Correct 160 ms 104772 KB Output is correct
72 Correct 204 ms 116092 KB Output is correct
73 Correct 234 ms 127536 KB Output is correct
74 Correct 260 ms 138800 KB Output is correct
75 Correct 315 ms 150212 KB Output is correct
76 Correct 331 ms 161624 KB Output is correct
77 Correct 366 ms 172916 KB Output is correct
78 Correct 425 ms 184428 KB Output is correct
79 Correct 440 ms 195584 KB Output is correct
80 Correct 472 ms 206976 KB Output is correct
81 Correct 44 ms 70708 KB Output is correct
82 Correct 526 ms 218236 KB Output is correct
83 Correct 580 ms 229640 KB Output is correct
84 Correct 663 ms 241000 KB Output is correct
85 Correct 630 ms 252404 KB Output is correct
86 Runtime error 634 ms 262144 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 70724 KB Output is correct
2 Correct 49 ms 70768 KB Output is correct
3 Correct 45 ms 70672 KB Output is correct
4 Correct 46 ms 70732 KB Output is correct
5 Correct 47 ms 70724 KB Output is correct
6 Correct 48 ms 70720 KB Output is correct
7 Correct 45 ms 70728 KB Output is correct
8 Correct 45 ms 70744 KB Output is correct
9 Correct 43 ms 70772 KB Output is correct
10 Correct 45 ms 70852 KB Output is correct
11 Correct 45 ms 70768 KB Output is correct
12 Correct 45 ms 70716 KB Output is correct
13 Correct 56 ms 70740 KB Output is correct
14 Correct 45 ms 70700 KB Output is correct
15 Correct 45 ms 70772 KB Output is correct
16 Correct 45 ms 70684 KB Output is correct
17 Correct 46 ms 70736 KB Output is correct
18 Correct 44 ms 70672 KB Output is correct
19 Correct 47 ms 70732 KB Output is correct
20 Correct 47 ms 70776 KB Output is correct
21 Correct 45 ms 70776 KB Output is correct
22 Correct 50 ms 70736 KB Output is correct
23 Correct 45 ms 70752 KB Output is correct
24 Correct 46 ms 70724 KB Output is correct
25 Correct 47 ms 70720 KB Output is correct
26 Correct 52 ms 70724 KB Output is correct
27 Correct 46 ms 70776 KB Output is correct
28 Correct 51 ms 70828 KB Output is correct
29 Correct 43 ms 70792 KB Output is correct
30 Correct 44 ms 70756 KB Output is correct
31 Correct 46 ms 71008 KB Output is correct
32 Correct 55 ms 70832 KB Output is correct
33 Correct 46 ms 70848 KB Output is correct
34 Correct 45 ms 70784 KB Output is correct
35 Correct 45 ms 70852 KB Output is correct
36 Correct 46 ms 70932 KB Output is correct
37 Correct 44 ms 70860 KB Output is correct
38 Correct 47 ms 70828 KB Output is correct
39 Correct 44 ms 70860 KB Output is correct
40 Correct 45 ms 71004 KB Output is correct
41 Correct 46 ms 70928 KB Output is correct
42 Correct 44 ms 70940 KB Output is correct
43 Correct 44 ms 70724 KB Output is correct
44 Correct 45 ms 70724 KB Output is correct
45 Correct 45 ms 70776 KB Output is correct
46 Correct 45 ms 70692 KB Output is correct
47 Correct 44 ms 70724 KB Output is correct
48 Correct 47 ms 70668 KB Output is correct
49 Correct 45 ms 70724 KB Output is correct
50 Correct 47 ms 70776 KB Output is correct
51 Correct 51 ms 70660 KB Output is correct
52 Correct 45 ms 70724 KB Output is correct
53 Correct 45 ms 70712 KB Output is correct
54 Correct 45 ms 70684 KB Output is correct
55 Correct 42 ms 70684 KB Output is correct
56 Correct 45 ms 70648 KB Output is correct
57 Correct 46 ms 70740 KB Output is correct
58 Correct 46 ms 70772 KB Output is correct
59 Correct 53 ms 70736 KB Output is correct
60 Correct 46 ms 70720 KB Output is correct
61 Correct 44 ms 70744 KB Output is correct
62 Correct 46 ms 70756 KB Output is correct
63 Correct 46 ms 70728 KB Output is correct
64 Correct 54 ms 70748 KB Output is correct
65 Correct 45 ms 70732 KB Output is correct
66 Correct 45 ms 70712 KB Output is correct
67 Correct 46 ms 70680 KB Output is correct
68 Correct 50 ms 70732 KB Output is correct
69 Correct 43 ms 70680 KB Output is correct
70 Correct 44 ms 70772 KB Output is correct
71 Correct 44 ms 70776 KB Output is correct
72 Correct 45 ms 70716 KB Output is correct
73 Correct 48 ms 70724 KB Output is correct
74 Correct 44 ms 70788 KB Output is correct
75 Correct 45 ms 70760 KB Output is correct
76 Correct 43 ms 70724 KB Output is correct
77 Correct 44 ms 70724 KB Output is correct
78 Correct 45 ms 70792 KB Output is correct
79 Correct 46 ms 70752 KB Output is correct
80 Correct 44 ms 70796 KB Output is correct
81 Correct 45 ms 70724 KB Output is correct
82 Correct 45 ms 70732 KB Output is correct
83 Correct 51 ms 70732 KB Output is correct
84 Correct 45 ms 70848 KB Output is correct
85 Correct 46 ms 70816 KB Output is correct
86 Correct 45 ms 70816 KB Output is correct
87 Correct 45 ms 70788 KB Output is correct
88 Correct 45 ms 70808 KB Output is correct
89 Correct 45 ms 70852 KB Output is correct
90 Correct 46 ms 70792 KB Output is correct
91 Correct 50 ms 70860 KB Output is correct
92 Correct 44 ms 70732 KB Output is correct
93 Correct 46 ms 70880 KB Output is correct
94 Correct 45 ms 70768 KB Output is correct
95 Correct 44 ms 70880 KB Output is correct
96 Correct 43 ms 70724 KB Output is correct
97 Correct 43 ms 70768 KB Output is correct
98 Correct 47 ms 70700 KB Output is correct
99 Correct 44 ms 70752 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70724 KB Output is correct
2 Correct 49 ms 70768 KB Output is correct
3 Correct 45 ms 70672 KB Output is correct
4 Correct 46 ms 70732 KB Output is correct
5 Correct 47 ms 70724 KB Output is correct
6 Correct 48 ms 70720 KB Output is correct
7 Correct 45 ms 70728 KB Output is correct
8 Correct 45 ms 70744 KB Output is correct
9 Correct 43 ms 70772 KB Output is correct
10 Correct 45 ms 70852 KB Output is correct
11 Correct 45 ms 70768 KB Output is correct
12 Correct 45 ms 70716 KB Output is correct
13 Correct 56 ms 70740 KB Output is correct
14 Correct 45 ms 70700 KB Output is correct
15 Correct 45 ms 70772 KB Output is correct
16 Correct 45 ms 70684 KB Output is correct
17 Correct 46 ms 70736 KB Output is correct
18 Correct 44 ms 70672 KB Output is correct
19 Correct 47 ms 70732 KB Output is correct
20 Correct 47 ms 70776 KB Output is correct
21 Correct 45 ms 70776 KB Output is correct
22 Correct 50 ms 70736 KB Output is correct
23 Correct 45 ms 70752 KB Output is correct
24 Correct 46 ms 70724 KB Output is correct
25 Correct 47 ms 70720 KB Output is correct
26 Correct 52 ms 70724 KB Output is correct
27 Correct 46 ms 70776 KB Output is correct
28 Correct 51 ms 70828 KB Output is correct
29 Correct 43 ms 70792 KB Output is correct
30 Correct 44 ms 70756 KB Output is correct
31 Correct 46 ms 71008 KB Output is correct
32 Correct 55 ms 70832 KB Output is correct
33 Correct 46 ms 70848 KB Output is correct
34 Correct 45 ms 70784 KB Output is correct
35 Correct 45 ms 70852 KB Output is correct
36 Correct 46 ms 70932 KB Output is correct
37 Correct 44 ms 70860 KB Output is correct
38 Correct 47 ms 70828 KB Output is correct
39 Correct 44 ms 70860 KB Output is correct
40 Correct 45 ms 71004 KB Output is correct
41 Correct 46 ms 70928 KB Output is correct
42 Correct 44 ms 70940 KB Output is correct
43 Correct 44 ms 70724 KB Output is correct
44 Correct 45 ms 70724 KB Output is correct
45 Correct 45 ms 70776 KB Output is correct
46 Correct 45 ms 70692 KB Output is correct
47 Correct 44 ms 70724 KB Output is correct
48 Correct 47 ms 70668 KB Output is correct
49 Correct 46 ms 70784 KB Output is correct
50 Correct 45 ms 70724 KB Output is correct
51 Correct 45 ms 70740 KB Output is correct
52 Correct 48 ms 70740 KB Output is correct
53 Correct 47 ms 70692 KB Output is correct
54 Correct 46 ms 70692 KB Output is correct
55 Correct 50 ms 70664 KB Output is correct
56 Correct 49 ms 70688 KB Output is correct
57 Correct 44 ms 70780 KB Output is correct
58 Correct 44 ms 70720 KB Output is correct
59 Correct 43 ms 70652 KB Output is correct
60 Correct 45 ms 70724 KB Output is correct
61 Correct 44 ms 70744 KB Output is correct
62 Correct 53 ms 70764 KB Output is correct
63 Correct 50 ms 70696 KB Output is correct
64 Correct 44 ms 70692 KB Output is correct
65 Correct 45 ms 70724 KB Output is correct
66 Correct 44 ms 70792 KB Output is correct
67 Correct 44 ms 70764 KB Output is correct
68 Correct 81 ms 82096 KB Output is correct
69 Correct 135 ms 93424 KB Output is correct
70 Correct 44 ms 70704 KB Output is correct
71 Correct 160 ms 104772 KB Output is correct
72 Correct 204 ms 116092 KB Output is correct
73 Correct 234 ms 127536 KB Output is correct
74 Correct 260 ms 138800 KB Output is correct
75 Correct 315 ms 150212 KB Output is correct
76 Correct 331 ms 161624 KB Output is correct
77 Correct 366 ms 172916 KB Output is correct
78 Correct 425 ms 184428 KB Output is correct
79 Correct 440 ms 195584 KB Output is correct
80 Correct 472 ms 206976 KB Output is correct
81 Correct 44 ms 70708 KB Output is correct
82 Correct 526 ms 218236 KB Output is correct
83 Correct 580 ms 229640 KB Output is correct
84 Correct 663 ms 241000 KB Output is correct
85 Correct 630 ms 252404 KB Output is correct
86 Runtime error 634 ms 262144 KB Execution killed with signal 9
87 Halted 0 ms 0 KB -