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Submission #345777

# Submission time Handle Problem Language Result Execution time Memory
345777 2021-01-08T03:58:01 Z daniel920712 Crocodile's Underground City (IOI11_crocodile) C++14
46 / 100
 40 ms 11500 KB 
#include "crocodile.h"
#include <vector>
#include <utility>
#include <algorithm>
#include <queue>
#include <map>
using namespace std;
vector < pair < long long , long long > > Next[100005];
vector < pair < long long , long long > > Next2[100005];
map < long long , long long > how[100005];
bool is[100005];
long long F(long long fa,long long here)
{
    long long t;
    vector < long long > tt;
    if(is[here]) return 0;
    if(how[here].find(fa)!=how[here].end()) return how[here][fa];
    how[here][fa]=-1;
    for(auto i:Next[here])
    {
        if(i.first!=fa)
        {
            t=F(here,i.first);
            if(t!=-1&&t+i.second<=1000000000) tt.push_back(t+i.second);
        }
    }
    sort(tt.begin(),tt.end());
    if(tt.size()>=2) how[here][fa]=tt[1];
    else how[here][fa]=-1;
    return how[here][fa];
}
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
    int i;
    long long a,b,c;
    for(i=0;i<M;i++)
    {
        Next[R[i][0]].push_back(make_pair((long long) R[i][1],(long long) L[i]));
        Next[R[i][1]].push_back(make_pair((long long) R[i][0],(long long) L[i]));

    }

    for(i=0;i<K;i++) is[P[i]]=1;
    return (int) F(-1,0);
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:35:15: warning: unused variable 'a' [-Wunused-variable]
   35 |     long long a,b,c;
      |               ^
crocodile.cpp:35:17: warning: unused variable 'b' [-Wunused-variable]
   35 |     long long a,b,c;
      |                 ^
crocodile.cpp:35:19: warning: unused variable 'c' [-Wunused-variable]
   35 |     long long a,b,c;
      |                   ^

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9708 KB Output is correct
2 Correct 6 ms 9708 KB Output is correct
3 Correct 6 ms 9708 KB Output is correct
4 Correct 7 ms 9836 KB Output is correct
5 Correct 7 ms 9836 KB Output is correct
6 Correct 7 ms 9836 KB Output is correct
7 Correct 7 ms 9836 KB Output is correct
8 Correct 7 ms 9836 KB Output is correct

Subtask #2
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9708 KB Output is correct
2 Correct 6 ms 9708 KB Output is correct
3 Correct 6 ms 9708 KB Output is correct
4 Correct 7 ms 9836 KB Output is correct
5 Correct 7 ms 9836 KB Output is correct
6 Correct 7 ms 9836 KB Output is correct
7 Correct 7 ms 9836 KB Output is correct
8 Correct 7 ms 9836 KB Output is correct
9 Correct 40 ms 11500 KB Output is correct
10 Incorrect 7 ms 9836 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9708 KB Output is correct
2 Correct 6 ms 9708 KB Output is correct
3 Correct 6 ms 9708 KB Output is correct
4 Correct 7 ms 9836 KB Output is correct
5 Correct 7 ms 9836 KB Output is correct
6 Correct 7 ms 9836 KB Output is correct
7 Correct 7 ms 9836 KB Output is correct
8 Correct 7 ms 9836 KB Output is correct
9 Correct 40 ms 11500 KB Output is correct
10 Incorrect 7 ms 9836 KB Output isn't correct
11 Halted 0 ms 0 KB -