oj.uz

Submission #408978

# Submission time Handle Problem Language Result Execution time Memory
408978 2021-05-20T00:33:03 Z ly20 The Collection Game (BOI21_swaps) C++17
0 / 100
 1 ms 200 KB 
//
// --- Sample implementation for the task swaps ---
//
// To compile this program with the sample grader, place:
//     swaps.h swaps_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ swaps_sample.cpp sample_grader.cpp
// in this folder.
//
#include "swaps.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 510;
int tb[MAXN][MAXN];
vector < pair <int, int> > ts;
bool cmp(int a, int b) {
    ts.push_back(make_pair(min(b, a), max(b, a)));
    return a < b;
}
vector <int> rs;
int marc1[MAXN], marc2[MAXN * 100];
void solve(int N, int V) {
    // TODO implement this function
    int n = N, v = V;
    for(int i = 1; i <= n; i++) {
        rs.push_back(i);
    }
    stable_sort(rs.begin(), rs.end(), cmp);
    bool a = true;
    //random_shuffle(ts.begin(), ts.end());
    /*for(int i = 0; i < ts.size(); i++) {
      printf("%d %d\n", ts[i].first, ts[i].second);
    }*/
    stable_sort(ts.begin(), ts.end());
    while(a) {
        a = false;
        for (int i = 1; i <= n; i++) marc1[i] = 0;
        vector <int> vs;
        for(int j = 0; j < ts.size(); j++) {
                if(j > 0 && ts[j] == ts[j - 1]) continue;
            if(marc2[j] == 1) continue;
            if(marc1[ts[j].first] == 1 || marc1[ts[j].second] == 1) continue;
            marc1[ts[j].first] = 1; marc1[ts[j].second] = 1;
            a = true;
            schedule(ts[j].first, ts[j].second);
            marc2[j] = 1;
        }
        if(a) visit();
    }
    answer(rs);
}

Compilation message

swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:39:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for(int j = 0; j < ts.size(); j++) {
      |                        ~~^~~~~~~~~~~
swaps.cpp:24:16: warning: unused variable 'v' [-Wunused-variable]
   24 |     int n = N, v = V;
      |                ^

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Not correct
2 Halted 0 ms 0 KB -