Submission #561490

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
561490	2022-05-13 00:15:36	CaroLinda	Parachute rings (IOI12_rings)	C++14	Compilation error	0 ms	0 KiB

rings

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#include <bits/stdc++.h>
#define pii pair<int,int>
#define mk make_pair
#define lp(i,a,b) for(int i = a ; i < b ; i++)
#define ff first
#define ss second
#define pb push_back
#define ll long long
#define debug printf
const int MAXN = 1e6+10 ;
using namespace std ;
struct Graph
{
    int ans , N ;
    int pai[MAXN] , deg[MAXN] ;
    vector<int> adj[MAXN] ;
    bool marc[MAXN] , can_be[MAXN] , exist[MAXN] ;
    bool operational ;
    Graph()
    {
        N = MAXN - 5 ;
        lp(i,1,N+1)
        {
 
 
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Compilation message (stderr)

rings.cpp: In function 'void make_partition(int)':
rings.cpp:107:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |     for(int i = 0 , idx = 1 ; i < List.size() ; i++ , idx ++ )
      |                               ~~^~~~~~~~~~~~~
rings.cpp: In function 'int main()':
rings.cpp:119:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  119 |     scanf("%d%d", &N , &L ) ;
      |     ~~~~~^~~~~~~~~~~~~~~~~~
rings.cpp:126:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  126 |         scanf("%d", &A ) ;
      |         ~~~~~^~~~~~~~~~~
rings.cpp:134:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  134 |         scanf("%d", &B ) ;
      |         ~~~~~^~~~~~~~~~~
/usr/bin/ld: /tmp/ccEJHDqO.o: in function `main':
rings.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cctp2pLO.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cctp2pLO.o: in function `main':
grader.cpp:(.text.startup+0x88): undefined reference to `Init(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0xca): undefined reference to `Link(int, int)'
/usr/bin/ld: grader.cpp:(.text.startup+0xed): undefined reference to `CountCritical()'
collect2: error: ld returned 1 exit status