oj.uz

Submission #33863

# Submission time Handle Problem Language Result Execution time Memory
33863 2017-11-03T16:10:46 Z wan2000 Martian DNA (IOI16_dna) C++14
100 / 100
 13 ms 2020 KB 
#include "dna.h"
#include <bits/stdc++.h>

using namespace std;

string add(string s, int len, char ch){
    while(s.size()<len) s += ch;
    return s;
}

string analyse(int n, int t){
    string res = "";
    int l = 1, r = n, mid;
    int cur = 0;
    while(l<=r){
        mid = (l+r)>>1;
        if(make_test(add("",mid,'1'))){
            cur = mid;
            l = mid+1;
        }
        else r = mid-1;
    }
    res = add("",cur,'1');
    string tmp = res;
    int cnt = 0;
    while(tmp.size()<n){
        if(make_test(tmp+"0")){
            tmp += "0";
            cnt = 0;
        }
        else{
            tmp += "1";
            cnt++;
        }
        if(cnt>cur) break;
    }
    l = tmp.size()-cnt+1; r = tmp.size();
    int suf = tmp.size()-cnt;
    while(l<=r){
        mid = (l+r)>>1;
        string s = "";
        for(int i = 0; i < mid; i++){
            s += tmp[i];
        }
        if(make_test(s)){
            suf = mid;
            l = mid+1;
        }
        else r = mid-1;
    }
    res = "";
    for(int i = 0; i < suf; i++) res += tmp[i];
    while(res.size()<n){
        if(make_test("0"+res)) res = "0"+res;
        else res = "1"+res;
    }
    return res;
}

Compilation message

dna.cpp: In function 'std::__cxx11::string add(std::__cxx11::string, int, char)':
dna.cpp:7:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(s.size()<len) s += ch;
                   ^
dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:26:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(tmp.size()<n){
                     ^
dna.cpp:53:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(res.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 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 0 ms 2020 KB Output is correct
23 Correct 0 ms 2020 KB Output is correct
24 Correct 0 ms 2020 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 0 ms 2020 KB Output is correct
23 Correct 0 ms 2020 KB Output is correct
24 Correct 0 ms 2020 KB Output is correct
25 Correct 0 ms 2020 KB Output is correct
26 Correct 0 ms 2020 KB Output is correct
27 Correct 0 ms 2020 KB Output is correct
28 Correct 0 ms 2020 KB Output is correct
29 Correct 0 ms 2020 KB Output is correct
30 Correct 0 ms 2020 KB Output is correct
31 Correct 0 ms 2020 KB Output is correct
32 Correct 0 ms 2020 KB Output is correct
33 Correct 0 ms 2020 KB Output is correct
34 Correct 0 ms 2020 KB Output is correct

Subtask #3
64.0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 9 ms 2020 KB Output is correct
23 Correct 13 ms 2020 KB Output is correct
24 Correct 13 ms 2020 KB Output is correct
25 Correct 13 ms 2020 KB Output is correct
26 Correct 9 ms 2020 KB Output is correct
27 Correct 6 ms 2020 KB Output is correct
28 Correct 6 ms 2020 KB Output is correct
29 Correct 6 ms 2020 KB Output is correct
30 Correct 0 ms 2020 KB Output is correct
31 Correct 0 ms 2020 KB Output is correct
32 Correct 6 ms 2020 KB Output is correct
33 Correct 6 ms 2020 KB Output is correct
34 Correct 9 ms 2020 KB Output is correct
35 Correct 6 ms 2020 KB Output is correct
36 Correct 6 ms 2020 KB Output is correct
37 Correct 6 ms 2020 KB Output is correct
38 Correct 9 ms 2020 KB Output is correct
39 Correct 3 ms 2020 KB Output is correct