Submission #632314

#	Time	Username	Problem	Language	Result	Execution time	Memory
632314		Cyber_Wolf	ICC (CEOI16_icc)	C++14	Compilation error	0 ms	0 KiB

icc

//CEOI '16 P1
//Problem: ICC
//Link: https://oj.uz/problem/view/CEOI16_icc

#include <bits/stdc++.h>
#include "icc.h"

using namespace std;

#define lg long long

const lg MOD = 1e9+7, N = 101, M = 1e7+1, SZ = 1e3+1;

lg par[N], compSize[N];

lg getParent(lg src)
{
	if(src == par[src])	return src;
	return par[src] = getParent(par[src]);
}

void join(lg u, lg v)
{
	u = getParent(u), v = getParent(v);
	if(u == v)	return;
	if(compSize[u] > compSize[v])	swap(u, v);
	par[u] = v;
	compSize[v] += compSize[u];
}


void run(int n)
{
	for(int i = 1; i <= n; i++)	par[i] = i, compSize[i] = 1;
	lg x = n-1;
	while(x--)
	{
		for(int i = 1; i <= n; i++)
		{
			vector<lg> v;
			for(int j = 1; j <= n; j++)	if(getParent(i) != getParent(j))	v.push_back(j);
			int arr[v.size()];
			for(int j = 0; j < v.size(); j++)	arr[j] = v[j];
			int h[1] = {i};
			bool flag = query(1, v.size(), h, arr);
			if(!flag)	continue;
			for(auto it : v)
			{
				int g[] = {it};
				bool cur = query(1, 1, h[0], g[0]);
				if(cur)
				{
					join(h, g);
					setRoad(h, g);
					break;
				}
			}
		}
	}
}

Compilation message (stderr)

icc.cpp: In function 'void run(int)':
icc.cpp:43:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    for(int j = 0; j < v.size(); j++) arr[j] = v[j];
      |                   ~~^~~~~~~~~~
icc.cpp:49:16: warning: narrowing conversion of 'it' from 'long long int' to 'int' [-Wnarrowing]
   49 |     int g[] = {it};
      |                ^~
icc.cpp:50:31: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   50 |     bool cur = query(1, 1, h[0], g[0]);
      |                            ~~~^
      |                               |
      |                               int
In file included from icc.cpp:6:
icc.h:10:30: note:   initializing argument 3 of 'int query(int, int, int*, int*)'
   10 | int query(int a, int b, int *A, int *B);
      |                         ~~~~~^
icc.cpp:50:37: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   50 |     bool cur = query(1, 1, h[0], g[0]);
      |                                  ~~~^
      |                                     |
      |                                     int
In file included from icc.cpp:6:
icc.h:10:38: note:   initializing argument 4 of 'int query(int, int, int*, int*)'
   10 | int query(int a, int b, int *A, int *B);
      |                                 ~~~~~^
icc.cpp:53:11: error: invalid conversion from 'int*' to 'long long int' [-fpermissive]
   53 |      join(h, g);
      |           ^
      |           |
      |           int*
icc.cpp:22:14: note:   initializing argument 1 of 'void join(long long int, long long int)'
   22 | void join(lg u, lg v)
      |              ^
icc.cpp:53:14: error: invalid conversion from 'int*' to 'long long int' [-fpermissive]
   53 |      join(h, g);
      |              ^
      |              |
      |              int*
icc.cpp:22:20: note:   initializing argument 2 of 'void join(long long int, long long int)'
   22 | void join(lg u, lg v)
      |                    ^
icc.cpp:54:14: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   54 |      setRoad(h, g);
      |              ^
      |              |
      |              int*
In file included from icc.cpp:6:
icc.h:11:18: note:   initializing argument 1 of 'void setRoad(int, int)'
   11 | void setRoad(int a, int b);
      |              ~~~~^
icc.cpp:54:17: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   54 |      setRoad(h, g);
      |                 ^
      |                 |
      |                 int*
In file included from icc.cpp:6:
icc.h:11:25: note:   initializing argument 2 of 'void setRoad(int, int)'
   11 | void setRoad(int a, int b);
      |                     ~~~~^