Submission #415848

# Submission time Handle Problem Language Result Execution time Memory
415848 2021-06-01T15:42:07 Z TLP39 Martian DNA (IOI16_dna) C++14
100 / 100
14 ms 424 KB
#include "dna.h"
#include <cstdlib>
#include<bits/stdc++.h>
using namespace std;

int n;
string s,v;
int l;

void to_length(int x)
{
    while(s.size()<x)
    {
        s.push_back('1');
    }
    while(s.size()>x)
    {
        s.pop_back();
    }
}

 void subs(int x)
 {
     int temp=v.size();
     while(temp<x)
     {
         v.append(s,temp,1);
         temp++;
     }
     while(temp>x)
     {
         v.pop_back();
         temp--;
     }
 }

void find_length()
{
    int hi=n,low=0,av;
    while(hi>low)
    {
        av=(hi+low+1)>>1;
        to_length(av);
        if(make_test(s)) low=av;
        else hi=av-1;
    }
    l=hi;
}

string analyse(int N, int t) {
    n=N;
    find_length();
    int cou=l,last_confirm=l;
    to_length(l);
    while(cou<=l)
    {
        s.append("0");
        if(make_test(s))
        {
            last_confirm=s.size();
            cou=0;
        }
        else
        {
            s.pop_back();
            s.append("1");
            cou++;
        }
    }
    int hi=s.size(),low=last_confirm,av;
    while(hi>low)
    {
        av=(hi+low+1)>>1;
        subs(av);
        if(make_test(v)) low=av;
        else hi=av-1;
    }
    while(s.size()>hi) s.pop_back();
    while(s.size()<n)
    {
        s.insert(0,"0");
        if(!make_test(s))
        {
            s.erase(0,1);
            s.insert(0,"1");
        }
    }
    return s;
}

Compilation message

dna.cpp: In function 'void to_length(int)':
dna.cpp:12:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   12 |     while(s.size()<x)
      |           ~~~~~~~~^~
dna.cpp:16:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |     while(s.size()>x)
      |           ~~~~~~~~^~
dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:78:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   78 |     while(s.size()>hi) s.pop_back();
      |           ~~~~~~~~^~~
dna.cpp:79:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   79 |     while(s.size()<n)
      |           ~~~~~~~~^~
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 292 KB Output is correct
8 Correct 1 ms 288 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 1 ms 288 KB Output is correct
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 204 KB Output is correct
20 Correct 1 ms 276 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 300 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 2 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 288 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
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 296 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 2 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 2 ms 296 KB Output is correct
22 Correct 1 ms 272 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 2 ms 208 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 2 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 2 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 288 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 288 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 2 ms 204 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 292 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 300 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 2 ms 204 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 10 ms 332 KB Output is correct
23 Correct 14 ms 316 KB Output is correct
24 Correct 13 ms 324 KB Output is correct
25 Correct 14 ms 332 KB Output is correct
26 Correct 10 ms 332 KB Output is correct
27 Correct 7 ms 332 KB Output is correct
28 Correct 7 ms 288 KB Output is correct
29 Correct 6 ms 296 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 6 ms 332 KB Output is correct
33 Correct 10 ms 364 KB Output is correct
34 Correct 11 ms 332 KB Output is correct
35 Correct 9 ms 424 KB Output is correct
36 Correct 9 ms 356 KB Output is correct
37 Correct 9 ms 304 KB Output is correct
38 Correct 6 ms 332 KB Output is correct
39 Correct 11 ms 332 KB Output is correct