oj.uz

Submission #162298

# Submission time Handle Problem Language Result Execution time Memory
162298 2019-11-07T13:58:20 Z popovicirobert Martian DNA (IOI16_dna) C++14
100 / 100
 17 ms 504 KB 
#include "dna.h"
#include <bits/stdc++.h>

using namespace std;

std::string analyse(int n, int t) {
    srand(time(NULL));

    if(make_test("0") == 0) {
        string sol;
        sol.resize(n);
        fill(sol.begin(), sol.end(), '1');
        return sol;
    }

    string sol = "0";
    int cnt = 0;

    while(sol.size() < n) {
        sol.push_back(rand() % 2 + '0');
        if(make_test(sol)) {
            cnt = 0;
            continue;
        }
        sol.back() = '0' + ((sol.back() - '0') ^ 1);
        cnt++;
        if(cnt == 19) {
            break;
        }
    }
    int sz = sol.size();
    int res = sz;
    for(int step = 1 << 4; step; step >>= 1) {
        if(res - step >= 0) {
            if(make_test(sol.substr(0, res - step + 1)) == 0) {
                res -= step;
            }
        }
    }
    sol.resize(res);

    while(sol.size() < n) {
        sol = "0" + sol;
        if(make_test(sol)) {
            continue;
        }
        sol[0] = '1';
    }
    return sol;
}

Compilation message

dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(sol.size() < n) {
           ~~~~~~~~~~~^~~
dna.cpp:42:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(sol.size() < n) {
           ~~~~~~~~~~~^~~
grader.cpp: In function 'bool make_test(std::__cxx11::string)':
grader.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < p.size(); i++) {
                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 1; i <= ss.size(); i++) {
                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (pr[i] == p.size()) {

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 356 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 424 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 280 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 3 ms 404 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 368 KB Output is correct
21 Correct 2 ms 252 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 1 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct

Subtask #3
64.0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 13 ms 376 KB Output is correct
23 Correct 13 ms 376 KB Output is correct
24 Correct 11 ms 376 KB Output is correct
25 Correct 17 ms 376 KB Output is correct
26 Correct 15 ms 376 KB Output is correct
27 Correct 9 ms 376 KB Output is correct
28 Correct 9 ms 376 KB Output is correct
29 Correct 9 ms 252 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 10 ms 376 KB Output is correct
32 Correct 10 ms 504 KB Output is correct
33 Correct 11 ms 376 KB Output is correct
34 Correct 10 ms 376 KB Output is correct
35 Correct 10 ms 376 KB Output is correct
36 Correct 12 ms 376 KB Output is correct
37 Correct 11 ms 376 KB Output is correct
38 Correct 12 ms 376 KB Output is correct
39 Correct 12 ms 376 KB Output is correct