Submission #847600

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
847600	2023-09-10 03:49:16	ibm2006	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	13 ms	856 KiB

longesttrip

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
ll n,i,j,k,s,t,x,y,z,w;
deque<ll> dq1,dq2;
vector<ll>v;
pair<ll,ll> p;
pair<ll,ll> inv(pair<ll,ll> p)
{
    return {p.second,p.first};
}
pair<ll,ll> adj(vector<ll> a,vector<ll> b)
{
    ll k=0;
    if(a.size()<b.size())
        {swap(a,b);  k=1;}
    if(a.size()==1&&b.size()==1)
    return {a[0],b[0]};
    vector<ll>c;
    for(i=0;i<a.size()/2;i++)
        c.push_back(a[i]);
    if(are_connected(c,b))
    {
        if(k==1)
        {
            return inv(adj(c,b));
        }
        else
            return adj(c,b);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

longesttrip.cpp: In function 'std::pair<int, int> adj(std::vector<int>, std::vector<int>)':
longesttrip.cpp:21:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(i=0;i<a.size()/2;i++)
      |             ~^~~~~~~~~~~
longesttrip.cpp:35:27: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(i=a.size()/2;i<a.size();i++)
      |                          ~^~~~~~~~~
longesttrip.cpp: In function 'std::vector<int> vectorize(std::deque<int>)':
longesttrip.cpp:49:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     for(i=0;i<d.size();i++)
      |             ~^~~~~~~~~
longesttrip.cpp: In function 'void answer()':
longesttrip.cpp:63:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |     for(i=0;i<dq1.size();i++)
      |             ~^~~~~~~~~~~
longesttrip.cpp: In function 'std::vector<int> longest_trip(ll, ll)':
longesttrip.cpp:152:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  152 |     if(dq1.size()<dq2.size())
      |     ^~
longesttrip.cpp:154:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  154 |         if(!are_connected(vectorize(dq1),vectorize(dq2)))
      |         ^~
longesttrip.cpp:177:26: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  177 |                 for(i=0;i<dq1.size();i++)
      |                         ~^~~~~~~~~~~
longesttrip.cpp:184:26: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  184 |                 for(i=0;i<dq1.size();i++)
      |                         ~^~~~~~~~~~~
longesttrip.cpp:193:26: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  193 |                 for(i=0;i<dq1.size();i++)
      |                         ~^~~~~~~~~~~
longesttrip.cpp:250:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  250 |         for(i=0;i<dq1.size();i++)
      |                 ~^~~~~~~~~~~
longesttrip.cpp:259:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  259 |         for(i=0;i<dq1.size();i++)
      |                 ~^~~~~~~~~~~
longesttrip.cpp:266:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  266 |         for(i=0;i<dq2.size();i++)
      |                 ~^~~~~~~~~~~
longesttrip.cpp:275:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  275 |         for(i=0;i<dq2.size();i++)
      |                 ~^~~~~~~~~~~
longesttrip.cpp:277:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  277 |             if(dq2[i]==y)
      |             ^~
longesttrip.cpp:279:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  279 |                 if(t==1)
      |                 ^~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 60 / 60