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Submission #874099

# Submission time Handle Problem Language Result Execution time Memory
874099 2023-11-16T09:12:39 Z itslq Friend (IOI14_friend) C++17
8 / 100
 1000 ms 560 KB 
#include <bits/stdc++.h>
using namespace std;

vector<int> children[1005];
int dp(int w[], int id, bool t) {
    int s = 0;
    if (t == 0) {
        for (int c: children[id]) {
            s += max(dp(w, c, 1), dp(w, c, 0));
        }
    } else {
        s += w[id];
        for (int c: children[id]) {
            s += dp(w, c, 0);
        }
    }
    return s;
}

int findSample(int n, int confidence[], int host[], int protocol[]) {
    if (protocol[1] == 0) {
        for (int i = 1; i < n; i++) children[host[i]].push_back(i);
        return max(dp(confidence, 0, 0), dp(confidence, 0, 1));
    } else if (protocol[1] == 2) {
        int m = -1;
        for (int i = 0; i < n; i++) m = max(m, confidence[i]);
        return m;
    }
}

Compilation message

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 500 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 1 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 1 ms 560 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #4
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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Execution timed out 1046 ms 348 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# 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 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -