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Submission #1115212

# Submission time Handle Problem Language Result Execution time Memory
1115212 2024-11-20T08:47:52 Z Zflop Detecting Molecules (IOI16_molecules) C++14
0 / 100
 1 ms 444 KB 
#pragma once
#include <bits/stdc++.h>
#include <vector>
using namespace std;
const int NMAX = (int)1e3 * 2;

int dp[NMAX],from[NMAX];
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    dp[0] = 1;
    for (int i = 0; i < u;++i) from[i] = -1;
    for (int i = 0; i < w.size();++i) {
        for (int j = u + 1; j >= 0;--j)
            if (dp[j] && !dp[j + w[i]]) {
                dp[j + w[i]] = 1;
                from[j + w[i]] = i;
            }
    }
    vector<int>v;
    int este = 0;
    for (int i = u; i >= l;--i)
        if (dp[i]) {
            este = i;
            break;
        }
    v.push_back(from[este]);
    int val = este - w[from[este]];
    while (val) {
        v.push_back(from[val]);
        val = val - w[from[val]];
    }
    return v;
}

Compilation message

molecules.cpp:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for (int i = 0; i < w.size();++i) {
      |                     ~~^~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Integer -1 violates the range [0, 0]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB OK (n = 12, answer = YES)
2 Correct 1 ms 444 KB OK (n = 12, answer = YES)
3 Incorrect 1 ms 336 KB Integer -1 violates the range [0, 11]
4 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Integer -1 violates the range [0, 0]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Integer -1 violates the range [0, 0]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Integer -1 violates the range [0, 0]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Integer -1 violates the range [0, 0]
2 Halted 0 ms 0 KB -