| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 406481 |
2021-05-17T16:20:58 Z |
Alma |
Martian DNA (IOI16_dna) |
C++17 |
|
17 ms |
400 KB |
#include <bits/stdc++.h>
#include "dna.h"
using namespace std;
string analyse(int n, int t) {
string z = "", o = "", s;
for (int i = 0; i < n; i++) {
z += '0'; o += '1';
}
if (!make_test("0")) return o;
if (!make_test("1")) return z;
int lo = 0, mid, res = 0, hi = n;
while (lo <= hi) {
mid = (lo+hi) / 2;
s = z.substr(0, mid);
if (make_test(s)) {
res = mid;
lo = mid+1;
} else {
hi = mid-1;
}
}
int l = 0, r = 0;
string p = "";
while ((int)p.size() < n) {
if (r < res && make_test(p + '0')) {
p += '0'; r++;
} else {
p += '1'; r = 0;
}
if (l < res && make_test('0' + p)) {
p = '0' + p; l++;
} else {
p = '1' + p; l = 0;
}
if (!make_test(p)) {
int m = (int)p.size();
if (make_test(p.substr(1, m-1))) {
p = p.substr(1, m-1);
while (true) {
if ((int)p.size() == n) return p;
if (r < res && make_test(p + '0')) {
p += '0'; r++;
} else {
p += '1'; r = 0;
}
}
} else {
p = p.substr(0, m-1);
while (true) {
if ((int)p.size() == n) return p;
if (l < res && make_test('0' + p)) {
p = '0' + p; l++;
} else {
p = '1' + p; l = 0;
}
}
}
}
} return p;
}
Compilation message
grader.cpp: In function 'bool make_test(std::string)':
grader.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | for (int i = 0; i < p.size(); i++) {
| ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for (int i = 1; i <= ss.size(); i++) {
| ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | if (pr[i] == p.size()) {
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Incorrect |
1 ms |
296 KB |
Wrong DNA |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
2 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
292 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
288 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Incorrect |
1 ms |
204 KB |
Wrong DNA |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
292 KB |
Output is correct |
| 20 |
Correct |
2 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
204 KB |
Output is correct |
| 25 |
Correct |
1 ms |
204 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Incorrect |
1 ms |
204 KB |
Wrong DNA |
| 31 |
Correct |
1 ms |
204 KB |
Output is correct |
| 32 |
Correct |
1 ms |
204 KB |
Output is correct |
| 33 |
Correct |
1 ms |
292 KB |
Output is correct |
| 34 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
292 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Incorrect |
1 ms |
204 KB |
Wrong DNA |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
292 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Incorrect |
10 ms |
292 KB |
Too many tests |
| 23 |
Incorrect |
17 ms |
332 KB |
Too many tests |
| 24 |
Incorrect |
11 ms |
296 KB |
Too many tests |
| 25 |
Incorrect |
15 ms |
332 KB |
Too many tests |
| 26 |
Incorrect |
15 ms |
348 KB |
Wrong DNA |
| 27 |
Correct |
7 ms |
400 KB |
Output is correct |
| 28 |
Correct |
6 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
204 KB |
Output is correct |
| 31 |
Correct |
9 ms |
332 KB |
Output is correct |
| 32 |
Incorrect |
9 ms |
332 KB |
Too many tests |
| 33 |
Incorrect |
11 ms |
356 KB |
Too many tests |
| 34 |
Incorrect |
10 ms |
332 KB |
Wrong DNA |
| 35 |
Incorrect |
8 ms |
332 KB |
Too many tests |
| 36 |
Incorrect |
8 ms |
364 KB |
Too many tests |
| 37 |
Incorrect |
9 ms |
332 KB |
Too many tests |
| 38 |
Incorrect |
8 ms |
288 KB |
Too many tests |
| 39 |
Incorrect |
11 ms |
332 KB |
Too many tests |
