oj.uz

Submission #1020314

# Submission time Handle Problem Language Result Execution time Memory
1020314 2024-07-11T21:55:56 Z vjudge1 Fireworks (APIO16_fireworks) C++14
100 / 100
 224 ms 21612 KB 
#include<bits/stdc++.h>//I love Kagamine Rin forever!
#define ll long long
using namespace std;//() is so cute!
struct lmt
{
    ll v[600005];
    int lc[600005],rc[600005],dist[600005];
    lmt(){dist[0]=-1;}
    int merge(int x,int y)
    {
        if(!x||!y)return x+y;
        if(v[y]>v[x])swap(x,y);
        rc[x]=merge(rc[x],y);
        if(dist[lc[x]]<dist[rc[x]])swap(lc[x],rc[x]);
        dist[x]=dist[rc[x]]+1;
        return x;
    }
    int pop(int x)
    {
        return merge(lc[x],rc[x]);
    }
}akari;
int sz;
int rt[600005];

int n,m;
int fa[600005],c[600005];
int deg[600005];
ll ans;
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=2;i<=n+m;i++)
    {
        scanf("%d%d",&fa[i],&c[i]);
        deg[fa[i]]++;
        ans+=c[i];
    }
    for(int i=n+m;i>=2;i--)
    {
        ll l=0,r=0;
        if(i<=n)
        {
            while(--deg[i])rt[i]=akari.pop(rt[i]);
            r=akari.v[rt[i]],rt[i]=akari.pop(rt[i]);
            l=akari.v[rt[i]],rt[i]=akari.pop(rt[i]);
        }
        akari.v[++sz]=l+c[i],akari.v[++sz]=r+c[i];
        rt[i]=akari.merge(rt[i],akari.merge(sz,sz-1));
        rt[fa[i]]=akari.merge(rt[fa[i]],rt[i]);
    }
    while(deg[1]--)rt[1]=akari.pop(rt[1]);
    while(rt[1])ans-=akari.v[rt[1]],rt[1]=akari.pop(rt[1]);
    printf("%lld\n",ans);
    return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
fireworks.cpp:35:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |         scanf("%d%d",&fa[i],&c[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 724 KB Output is correct
37 Correct 1 ms 600 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 724 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 2 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 776 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 2 ms 600 KB Output is correct
53 Correct 2 ms 856 KB Output is correct
54 Correct 2 ms 604 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 724 KB Output is correct
37 Correct 1 ms 600 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 724 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 2 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 776 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 2 ms 600 KB Output is correct
53 Correct 2 ms 856 KB Output is correct
54 Correct 2 ms 604 KB Output is correct
55 Correct 4 ms 1372 KB Output is correct
56 Correct 13 ms 3676 KB Output is correct
57 Correct 22 ms 6236 KB Output is correct
58 Correct 30 ms 7760 KB Output is correct
59 Correct 42 ms 10320 KB Output is correct
60 Correct 49 ms 12632 KB Output is correct
61 Correct 57 ms 14352 KB Output is correct
62 Correct 63 ms 15696 KB Output is correct
63 Correct 86 ms 18768 KB Output is correct
64 Correct 83 ms 19796 KB Output is correct
65 Correct 54 ms 21612 KB Output is correct
66 Correct 51 ms 21588 KB Output is correct
67 Correct 47 ms 21588 KB Output is correct
68 Correct 90 ms 20900 KB Output is correct
69 Correct 88 ms 20816 KB Output is correct
70 Correct 96 ms 20844 KB Output is correct
71 Correct 163 ms 19968 KB Output is correct
72 Correct 143 ms 19752 KB Output is correct
73 Correct 151 ms 19536 KB Output is correct
74 Correct 178 ms 19672 KB Output is correct
75 Correct 160 ms 19280 KB Output is correct
76 Correct 153 ms 19280 KB Output is correct
77 Correct 201 ms 19280 KB Output is correct
78 Correct 193 ms 19280 KB Output is correct
79 Correct 224 ms 19152 KB Output is correct