oj.uz

Submission #242307

# Submission time Handle Problem Language Result Execution time Memory
242307 2020-06-27T08:39:07 Z dantoh000 Magic Tree (CEOI19_magictree) C++14
0 / 100
 73 ms 5368 KB 
#include <bits/stdc++.h>
using namespace std;
int n,m,k;
int p[100005];
vector<int> G[100005];
int a[100005];
int L[100005];
int ans = 0;
int main(){
    scanf("%d%d%d",&n,&m,&k);
    for (int i = 2; i <= n; i++){
        scanf("%d",&p[i]);
        G[p[i]].push_back(i);
    }
    for (int i = 0; i < m; i++){
        int v,d,w;
        scanf("%d%d%d",&v,&d,&w);
        a[v] = d;
    }
    for (int i = 1; i <= n; i++){
        a[i] += (n-i);
    }
    for (int i = n; i >= 1; i--){
        if (a[i] == n-i) continue;
        int pos = lower_bound(L,L+ans,a[i])-L;
        L[pos] = a[i];
        ans = max(ans,pos+1);
    }
    printf("%d",ans);
    //dfs(1,-1);
    //printf("%d",dp1[];
}

Compilation message

magictree.cpp: In function 'int main()':
magictree.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&n,&m,&k);
     ~~~~~^~~~~~~~~~~~~~~~~~~
magictree.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&p[i]);
         ~~~~~^~~~~~~~~~~~
magictree.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&v,&d,&w);
         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 4856 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 73 ms 5368 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 3200 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -