Submission #401284

#	Time	Username	Problem	Language	Result	Execution time	Memory
401284		victoriad	Martian DNA (IOI16_dna)	C++14	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <utility>
#include <queue>
#include <map>
#include <iomanip>
#include <fstream>
#include <cstdlib>
using namespace std;
            

std::string analyse(int n, int t) {
    
   vector<string>v;
    if(n==1){
        if(make_test("0"))return "0";
        return "1";
    }
    else{
    if(make_test("01")){
        v.push_back("01");
    }
    if(make_test("00")){
        v.push_back("00");
    }
    if(make_test("11")){
        v.push_back("11");
    }
    if(make_test("10")){
        v.push_back("10");
    }
    if(n==2){
        return v[0];
    }
    int l=v.size();
    if(n>2){
      for(int i=0;i<l;i++){
        string s=v[i];
        s[2]='1';
        if(make_test(s)){
          v.push_back(s);
          if(n==3)return s;
          break;
        }
        s[2]=='1';
        if(make_test(s)){
          v.push_back(s);
          if(n==3)return s;
          break;
        }
      }
      }
      int x=v.size();
      for(int i=l;i<x;i++){
        string s=v[i];
        s[3]='1';
        if(make_test(s)){
          v.push_back(s);
          if(n==4)return s;
          break;
        }
        s[3]=='1';
        if(make_test(s)){
          v.push_back(s);
          if(n==4)return s;
          break;
        }
      }
      l=v.size();
      for(int i=x;i<l;i++){
        string s=v[i];
        s[4]='1';
        if(make_test(s)){
          v.push_back(s);
          if(n==5)return s;
          break;
        }
        s[4]=='1';
        if(make_test(s)){
          v.push_back(s);
          if(n==5)return s;
          break;
        }
      
      }
      
  
}

   
    
                       

Compilation message (stderr)

dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:49:13: warning: value computed is not used [-Wunused-value]
   49 |         s[2]=='1';
dna.cpp:66:13: warning: value computed is not used [-Wunused-value]
   66 |         s[3]=='1';
dna.cpp:82:13: warning: value computed is not used [-Wunused-value]
   82 |         s[4]=='1';
dna.cpp:92:1: error: expected '}' at end of input
   92 | }
      | ^
dna.cpp:16:35: note: to match this '{'
   16 | std::string analyse(int n, int t) {
      |                                   ^
dna.cpp:18:18: warning: control reaches end of non-void function [-Wreturn-type]
   18 |    vector<string>v;
      |                  ^
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()) {