oj.uz

Submission #427338

# Submission time Handle Problem Language Result Execution time Memory
427338 2021-06-14T14:24:29 Z cpp219 Traffic (IOI10_traffic) C++14
50 / 100
 721 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 = 1e9 + 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 70716 KB Output is correct
2 Correct 45 ms 70700 KB Output is correct
3 Correct 50 ms 70772 KB Output is correct
4 Correct 50 ms 70732 KB Output is correct
5 Correct 52 ms 70740 KB Output is correct
6 Correct 42 ms 70768 KB Output is correct
7 Correct 50 ms 70748 KB Output is correct
8 Correct 41 ms 70724 KB Output is correct
9 Correct 41 ms 70724 KB Output is correct
10 Correct 42 ms 70688 KB Output is correct
11 Correct 47 ms 70776 KB Output is correct
12 Correct 42 ms 70732 KB Output is correct
13 Correct 41 ms 70692 KB Output is correct
14 Correct 49 ms 70664 KB Output is correct
15 Correct 42 ms 70672 KB Output is correct
16 Correct 44 ms 70700 KB Output is correct
17 Correct 40 ms 70724 KB Output is correct
18 Correct 42 ms 70652 KB Output is correct
19 Correct 48 ms 70812 KB Output is correct
20 Correct 42 ms 70796 KB Output is correct
21 Correct 44 ms 70764 KB Output is correct
22 Correct 45 ms 70736 KB Output is correct
23 Correct 47 ms 70776 KB Output is correct
24 Correct 48 ms 70724 KB Output is correct
25 Correct 55 ms 70792 KB Output is correct
26 Correct 44 ms 70732 KB Output is correct
27 Correct 51 ms 70864 KB Output is correct
28 Correct 47 ms 70848 KB Output is correct
29 Correct 47 ms 70832 KB Output is correct
30 Correct 50 ms 70828 KB Output is correct
31 Correct 45 ms 70844 KB Output is correct
32 Correct 45 ms 70848 KB Output is correct
33 Correct 47 ms 70924 KB Output is correct
34 Correct 47 ms 70668 KB Output is correct
35 Correct 44 ms 70920 KB Output is correct
36 Correct 47 ms 70912 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 46 ms 70952 KB Output is correct
39 Correct 44 ms 70984 KB Output is correct
40 Correct 46 ms 70864 KB Output is correct
41 Correct 45 ms 70980 KB Output is correct
42 Correct 47 ms 70988 KB Output is correct
43 Correct 49 ms 70724 KB Output is correct
44 Correct 49 ms 70712 KB Output is correct
45 Correct 47 ms 70724 KB Output is correct
46 Correct 43 ms 70744 KB Output is correct
47 Correct 44 ms 70696 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70716 KB Output is correct
2 Correct 45 ms 70700 KB Output is correct
3 Correct 50 ms 70772 KB Output is correct
4 Correct 50 ms 70732 KB Output is correct
5 Correct 52 ms 70740 KB Output is correct
6 Correct 42 ms 70768 KB Output is correct
7 Correct 50 ms 70748 KB Output is correct
8 Correct 41 ms 70724 KB Output is correct
9 Correct 41 ms 70724 KB Output is correct
10 Correct 42 ms 70688 KB Output is correct
11 Correct 47 ms 70776 KB Output is correct
12 Correct 42 ms 70732 KB Output is correct
13 Correct 41 ms 70692 KB Output is correct
14 Correct 49 ms 70664 KB Output is correct
15 Correct 42 ms 70672 KB Output is correct
16 Correct 44 ms 70700 KB Output is correct
17 Correct 40 ms 70724 KB Output is correct
18 Correct 42 ms 70652 KB Output is correct
19 Correct 48 ms 70812 KB Output is correct
20 Correct 42 ms 70796 KB Output is correct
21 Correct 44 ms 70764 KB Output is correct
22 Correct 45 ms 70736 KB Output is correct
23 Correct 47 ms 70776 KB Output is correct
24 Correct 48 ms 70724 KB Output is correct
25 Correct 55 ms 70792 KB Output is correct
26 Correct 44 ms 70732 KB Output is correct
27 Correct 51 ms 70864 KB Output is correct
28 Correct 47 ms 70848 KB Output is correct
29 Correct 47 ms 70832 KB Output is correct
30 Correct 50 ms 70828 KB Output is correct
31 Correct 45 ms 70844 KB Output is correct
32 Correct 45 ms 70848 KB Output is correct
33 Correct 47 ms 70924 KB Output is correct
34 Correct 47 ms 70668 KB Output is correct
35 Correct 44 ms 70920 KB Output is correct
36 Correct 47 ms 70912 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 46 ms 70952 KB Output is correct
39 Correct 44 ms 70984 KB Output is correct
40 Correct 46 ms 70864 KB Output is correct
41 Correct 45 ms 70980 KB Output is correct
42 Correct 47 ms 70988 KB Output is correct
43 Correct 49 ms 70724 KB Output is correct
44 Correct 49 ms 70712 KB Output is correct
45 Correct 47 ms 70724 KB Output is correct
46 Correct 43 ms 70744 KB Output is correct
47 Correct 44 ms 70696 KB Output is correct
48 Correct 49 ms 70724 KB Output is correct
49 Correct 41 ms 70732 KB Output is correct
50 Correct 46 ms 70704 KB Output is correct
51 Correct 46 ms 70704 KB Output is correct
52 Correct 45 ms 70668 KB Output is correct
53 Correct 43 ms 70712 KB Output is correct
54 Correct 45 ms 70856 KB Output is correct
55 Correct 62 ms 70724 KB Output is correct
56 Correct 44 ms 70724 KB Output is correct
57 Correct 51 ms 70720 KB Output is correct
58 Correct 49 ms 70724 KB Output is correct
59 Correct 41 ms 70772 KB Output is correct
60 Correct 42 ms 70688 KB Output is correct
61 Correct 45 ms 70724 KB Output is correct
62 Correct 42 ms 70696 KB Output is correct
63 Correct 46 ms 70724 KB Output is correct
64 Correct 47 ms 70736 KB Output is correct
65 Correct 43 ms 70724 KB Output is correct
66 Correct 44 ms 70736 KB Output is correct
67 Correct 48 ms 70776 KB Output is correct
68 Correct 81 ms 82032 KB Output is correct
69 Correct 113 ms 93352 KB Output is correct
70 Correct 43 ms 70772 KB Output is correct
71 Correct 149 ms 104824 KB Output is correct
72 Correct 208 ms 116104 KB Output is correct
73 Correct 218 ms 127508 KB Output is correct
74 Correct 267 ms 138876 KB Output is correct
75 Correct 418 ms 150184 KB Output is correct
76 Correct 427 ms 161572 KB Output is correct
77 Correct 364 ms 172924 KB Output is correct
78 Correct 473 ms 184272 KB Output is correct
79 Correct 471 ms 195620 KB Output is correct
80 Correct 518 ms 206880 KB Output is correct
81 Correct 47 ms 70756 KB Output is correct
82 Correct 542 ms 218320 KB Output is correct
83 Correct 596 ms 229756 KB Output is correct
84 Correct 657 ms 241004 KB Output is correct
85 Correct 721 ms 256984 KB Output is correct
86 Runtime error 680 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 70716 KB Output is correct
2 Correct 45 ms 70700 KB Output is correct
3 Correct 50 ms 70772 KB Output is correct
4 Correct 50 ms 70732 KB Output is correct
5 Correct 52 ms 70740 KB Output is correct
6 Correct 42 ms 70768 KB Output is correct
7 Correct 50 ms 70748 KB Output is correct
8 Correct 41 ms 70724 KB Output is correct
9 Correct 41 ms 70724 KB Output is correct
10 Correct 42 ms 70688 KB Output is correct
11 Correct 47 ms 70776 KB Output is correct
12 Correct 42 ms 70732 KB Output is correct
13 Correct 41 ms 70692 KB Output is correct
14 Correct 49 ms 70664 KB Output is correct
15 Correct 42 ms 70672 KB Output is correct
16 Correct 44 ms 70700 KB Output is correct
17 Correct 40 ms 70724 KB Output is correct
18 Correct 42 ms 70652 KB Output is correct
19 Correct 48 ms 70812 KB Output is correct
20 Correct 42 ms 70796 KB Output is correct
21 Correct 44 ms 70764 KB Output is correct
22 Correct 45 ms 70736 KB Output is correct
23 Correct 47 ms 70776 KB Output is correct
24 Correct 48 ms 70724 KB Output is correct
25 Correct 55 ms 70792 KB Output is correct
26 Correct 44 ms 70732 KB Output is correct
27 Correct 51 ms 70864 KB Output is correct
28 Correct 47 ms 70848 KB Output is correct
29 Correct 47 ms 70832 KB Output is correct
30 Correct 50 ms 70828 KB Output is correct
31 Correct 45 ms 70844 KB Output is correct
32 Correct 45 ms 70848 KB Output is correct
33 Correct 47 ms 70924 KB Output is correct
34 Correct 47 ms 70668 KB Output is correct
35 Correct 44 ms 70920 KB Output is correct
36 Correct 47 ms 70912 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 46 ms 70952 KB Output is correct
39 Correct 44 ms 70984 KB Output is correct
40 Correct 46 ms 70864 KB Output is correct
41 Correct 45 ms 70980 KB Output is correct
42 Correct 47 ms 70988 KB Output is correct
43 Correct 49 ms 70724 KB Output is correct
44 Correct 49 ms 70712 KB Output is correct
45 Correct 47 ms 70724 KB Output is correct
46 Correct 43 ms 70744 KB Output is correct
47 Correct 44 ms 70696 KB Output is correct
48 Correct 47 ms 70736 KB Output is correct
49 Correct 44 ms 70776 KB Output is correct
50 Correct 53 ms 70776 KB Output is correct
51 Correct 49 ms 70772 KB Output is correct
52 Correct 47 ms 70772 KB Output is correct
53 Correct 47 ms 70732 KB Output is correct
54 Correct 46 ms 70724 KB Output is correct
55 Correct 42 ms 70736 KB Output is correct
56 Correct 47 ms 70688 KB Output is correct
57 Correct 48 ms 70724 KB Output is correct
58 Correct 46 ms 70772 KB Output is correct
59 Correct 44 ms 70676 KB Output is correct
60 Correct 51 ms 70672 KB Output is correct
61 Correct 46 ms 70764 KB Output is correct
62 Correct 44 ms 70724 KB Output is correct
63 Correct 48 ms 70664 KB Output is correct
64 Correct 44 ms 70772 KB Output is correct
65 Correct 47 ms 70768 KB Output is correct
66 Correct 46 ms 70656 KB Output is correct
67 Correct 50 ms 70776 KB Output is correct
68 Correct 42 ms 70732 KB Output is correct
69 Correct 42 ms 70700 KB Output is correct
70 Correct 41 ms 70704 KB Output is correct
71 Correct 42 ms 70724 KB Output is correct
72 Correct 45 ms 70732 KB Output is correct
73 Correct 50 ms 70792 KB Output is correct
74 Correct 49 ms 70688 KB Output is correct
75 Correct 42 ms 70736 KB Output is correct
76 Correct 49 ms 70696 KB Output is correct
77 Correct 46 ms 70776 KB Output is correct
78 Correct 45 ms 70808 KB Output is correct
79 Correct 52 ms 70764 KB Output is correct
80 Correct 43 ms 70832 KB Output is correct
81 Correct 42 ms 70760 KB Output is correct
82 Correct 44 ms 70712 KB Output is correct
83 Correct 48 ms 70772 KB Output is correct
84 Correct 43 ms 70808 KB Output is correct
85 Correct 45 ms 70728 KB Output is correct
86 Correct 47 ms 70860 KB Output is correct
87 Correct 55 ms 70796 KB Output is correct
88 Correct 43 ms 70852 KB Output is correct
89 Correct 46 ms 70868 KB Output is correct
90 Correct 49 ms 70840 KB Output is correct
91 Correct 43 ms 70852 KB Output is correct
92 Correct 52 ms 70732 KB Output is correct
93 Correct 45 ms 70876 KB Output is correct
94 Correct 42 ms 70876 KB Output is correct
95 Correct 48 ms 70988 KB Output is correct
96 Correct 47 ms 70736 KB Output is correct
97 Correct 47 ms 70800 KB Output is correct
98 Correct 42 ms 70736 KB Output is correct
99 Correct 46 ms 70704 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 70716 KB Output is correct
2 Correct 45 ms 70700 KB Output is correct
3 Correct 50 ms 70772 KB Output is correct
4 Correct 50 ms 70732 KB Output is correct
5 Correct 52 ms 70740 KB Output is correct
6 Correct 42 ms 70768 KB Output is correct
7 Correct 50 ms 70748 KB Output is correct
8 Correct 41 ms 70724 KB Output is correct
9 Correct 41 ms 70724 KB Output is correct
10 Correct 42 ms 70688 KB Output is correct
11 Correct 47 ms 70776 KB Output is correct
12 Correct 42 ms 70732 KB Output is correct
13 Correct 41 ms 70692 KB Output is correct
14 Correct 49 ms 70664 KB Output is correct
15 Correct 42 ms 70672 KB Output is correct
16 Correct 44 ms 70700 KB Output is correct
17 Correct 40 ms 70724 KB Output is correct
18 Correct 42 ms 70652 KB Output is correct
19 Correct 48 ms 70812 KB Output is correct
20 Correct 42 ms 70796 KB Output is correct
21 Correct 44 ms 70764 KB Output is correct
22 Correct 45 ms 70736 KB Output is correct
23 Correct 47 ms 70776 KB Output is correct
24 Correct 48 ms 70724 KB Output is correct
25 Correct 55 ms 70792 KB Output is correct
26 Correct 44 ms 70732 KB Output is correct
27 Correct 51 ms 70864 KB Output is correct
28 Correct 47 ms 70848 KB Output is correct
29 Correct 47 ms 70832 KB Output is correct
30 Correct 50 ms 70828 KB Output is correct
31 Correct 45 ms 70844 KB Output is correct
32 Correct 45 ms 70848 KB Output is correct
33 Correct 47 ms 70924 KB Output is correct
34 Correct 47 ms 70668 KB Output is correct
35 Correct 44 ms 70920 KB Output is correct
36 Correct 47 ms 70912 KB Output is correct
37 Correct 44 ms 70940 KB Output is correct
38 Correct 46 ms 70952 KB Output is correct
39 Correct 44 ms 70984 KB Output is correct
40 Correct 46 ms 70864 KB Output is correct
41 Correct 45 ms 70980 KB Output is correct
42 Correct 47 ms 70988 KB Output is correct
43 Correct 49 ms 70724 KB Output is correct
44 Correct 49 ms 70712 KB Output is correct
45 Correct 47 ms 70724 KB Output is correct
46 Correct 43 ms 70744 KB Output is correct
47 Correct 44 ms 70696 KB Output is correct
48 Correct 49 ms 70724 KB Output is correct
49 Correct 41 ms 70732 KB Output is correct
50 Correct 46 ms 70704 KB Output is correct
51 Correct 46 ms 70704 KB Output is correct
52 Correct 45 ms 70668 KB Output is correct
53 Correct 43 ms 70712 KB Output is correct
54 Correct 45 ms 70856 KB Output is correct
55 Correct 62 ms 70724 KB Output is correct
56 Correct 44 ms 70724 KB Output is correct
57 Correct 51 ms 70720 KB Output is correct
58 Correct 49 ms 70724 KB Output is correct
59 Correct 41 ms 70772 KB Output is correct
60 Correct 42 ms 70688 KB Output is correct
61 Correct 45 ms 70724 KB Output is correct
62 Correct 42 ms 70696 KB Output is correct
63 Correct 46 ms 70724 KB Output is correct
64 Correct 47 ms 70736 KB Output is correct
65 Correct 43 ms 70724 KB Output is correct
66 Correct 44 ms 70736 KB Output is correct
67 Correct 48 ms 70776 KB Output is correct
68 Correct 81 ms 82032 KB Output is correct
69 Correct 113 ms 93352 KB Output is correct
70 Correct 43 ms 70772 KB Output is correct
71 Correct 149 ms 104824 KB Output is correct
72 Correct 208 ms 116104 KB Output is correct
73 Correct 218 ms 127508 KB Output is correct
74 Correct 267 ms 138876 KB Output is correct
75 Correct 418 ms 150184 KB Output is correct
76 Correct 427 ms 161572 KB Output is correct
77 Correct 364 ms 172924 KB Output is correct
78 Correct 473 ms 184272 KB Output is correct
79 Correct 471 ms 195620 KB Output is correct
80 Correct 518 ms 206880 KB Output is correct
81 Correct 47 ms 70756 KB Output is correct
82 Correct 542 ms 218320 KB Output is correct
83 Correct 596 ms 229756 KB Output is correct
84 Correct 657 ms 241004 KB Output is correct
85 Correct 721 ms 256984 KB Output is correct
86 Runtime error 680 ms 262148 KB Execution killed with signal 9
87 Halted 0 ms 0 KB -