Submission #826756

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
826756	2023-08-16 02:38:28	Amylopectin	Thousands Islands (IOI22_islands)	C++17	31 / 100	77 ms	82696 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

islands

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#include "islands.h"
#include <stdio.h>
#include <variant>
#include <vector>
#include <algorithm>
#include <iostream>
#include <queue>
using namespace std;
const int mxn = 1e6 + 10;
struct we
{
  int to,idx;
};
vector<struct we> pat[mxn] = {},rpat[mxn] = {};
vector<int> lii[mxn] = {},ans,stc;
queue<int> qu;
int n,m,u[mxn] = {},in[mxn] = {},scc[mxn] = {},cou,sru,nmem[mxn] = {},fon[mxn] = {}
,tog[mxn] = {},upa[mxn] = {},of,cup[mxn] = {},cuu[mxn] = {},cue[mxn] = {};
int re(int cn)
{
  int i,j,fn;
  u[cn] = 1;
  in[cou] = cn;
  cou ++;
  for(i=0; i<pat[cn].size(); i++)
  {
    fn = pat[cn][i].to;
    if(u[fn] == 0)
    {
      re(fn);
 
 
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Compilation message (stderr)

islands.cpp: In function 'int re(int)':
islands.cpp:25:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for(i=0; i<pat[cn].size(); i++)
      |            ~^~~~~~~~~~~~~~~
islands.cpp:21:9: warning: unused variable 'j' [-Wunused-variable]
   21 |   int i,j,fn;
      |         ^
islands.cpp: In function 'int re2(int)':
islands.cpp:40:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for(i=0; i<rpat[cn].size(); i++)
      |            ~^~~~~~~~~~~~~~~~
islands.cpp:37:9: warning: unused variable 'j' [-Wunused-variable]
   37 |   int i,j,fn;
      |         ^
islands.cpp: In function 'int re3(int, int)':
islands.cpp:59:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   for(i=0; i<pat[cn].size(); i++)
      |            ~^~~~~~~~~~~~~~~
islands.cpp:52:9: warning: unused variable 'j' [-Wunused-variable]
   52 |   int i,j,fn,fid;
      |         ^
islands.cpp: In function 'int re4(int, int, int)':
islands.cpp:84:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |   for(i=0; i<pat[cn].size(); i++)
      |            ~^~~~~~~~~~~~~~~
islands.cpp:83:9: warning: unused variable 'j' [-Wunused-variable]
   83 |   int i,j,fn,fid;
      |         ^
islands.cpp: In function 'int re5(int, int)':
islands.cpp:117:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |   for(i=0; i<pat[cn].size(); i++)
      |            ~^~~~~~~~~~~~~~~
islands.cpp:116:9: warning: unused variable 'j' [-Wunused-variable]
  116 |   int i,j,fn,fid;
      |         ^
islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:182:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  182 |     for(i=0; i<rpat[cn].size(); i++)
      |              ~^~~~~~~~~~~~~~~~
islands.cpp:186:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  186 |       if(cup[fn] == pat[fn].size())
      |          ~~~~~~~~^~~~~~~~~~~~~~~~~
islands.cpp:197:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  197 |     for(i=0; i<pat[cst].size(); i++)
      |              ~^~~~~~~~~~~~~~~~
islands.cpp:209:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  209 |     for(i=0; i<pat[cst].size(); i++)
      |              ~^~~~~~~~~~~~~~~~
islands.cpp:227:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<we>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  227 |   for(i=0; i<pat[cst].size(); i++)
      |            ~^~~~~~~~~~~~~~~~
islands.cpp:266:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  266 |   for(i=0; i<stc.size(); i++)
      |            ~^~~~~~~~~~~
islands.cpp:291:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  291 |     for(i=0; i<lii[2].size(); i++)
      |              ~^~~~~~~~~~~~~~
islands.cpp:299:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  299 |     for(i=0; i<lii[3].size(); i++)
      |              ~^~~~~~~~~~~~~~
islands.cpp:326:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  326 |       for(i=0; i<lii[0].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:330:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  330 |       for(i=0; i<lii[2].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:338:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  338 |       for(i=0; i<lii[1].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:365:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  365 |       for(i=0; i<lii[0].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:369:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  369 |       for(i=0; i<lii[2].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:373:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  373 |       for(i=0; i<lii[3].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:381:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  381 |       for(i=0; i<lii[1].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:431:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  431 |     for(i=0; i<lii[0].size(); i++)
      |              ~^~~~~~~~~~~~~~
islands.cpp:435:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  435 |       for(i=0; i<lii[2].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:443:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  443 |       for(i=0; i<lii[1].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:447:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  447 |       for(i=0; i<lii[3].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:456:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  456 |       for(i=0; i<lii[0].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:468:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  468 |       for(i=0; i<lii[1].size(); i++)
      |                ~^~~~~~~~~~~~~~
islands.cpp:151:9: warning: unused variable 'j' [-Wunused-variable]
  151 |   int i,j,cn,cm,fn,fm,cru = 0,fou = 0,cst,ccou;
      |         ^
islands.cpp:151:14: warning: unused variable 'cm' [-Wunused-variable]
  151 |   int i,j,cn,cm,fn,fm,cru = 0,fou = 0,cst,ccou;
      |              ^~
islands.cpp:151:20: warning: unused variable 'fm' [-Wunused-variable]
  151 |   int i,j,cn,cm,fn,fm,cru = 0,fou = 0,cst,ccou;
      |                    ^~
islands.cpp:151:23: warning: unused variable 'cru' [-Wunused-variable]
  151 |   int i,j,cn,cm,fn,fm,cru = 0,fou = 0,cst,ccou;
      |                       ^~~

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