Submission #1183382

#	Time	Username	Problem	Language	Result	Execution time	Memory
1183382		mertbbm	ICC (CEOI16_icc)	C++20	Compilation error	0 ms	0 KiB

icc

#include <bits/stdc++.h>
#include "icc.h"
using namespace std;

//#define int long long 
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<int,int>pii;
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());

struct DSU{
	vector<int>e;
	void init(int n){
		e=vector<int>(n,-1);
	}
	
	int get(int x){
		return e[x]<0?x:e[x]=get(e[x]);
	}
	
	bool unite(int x, int y){
		x=get(x); y=get(y);
		if(x==y) return 0;
		if(e[x]>e[y]) swap(x,y);
		e[x]+=e[y];
		e[y]=x;
		return 1;
	}
};

void run(int n){
	DSU dsu;
	dsu.init(n+5);
	vector<int>bit={2,4,8,16,32,64,128};
	for(int x=0;x<n-1;x++){
		int layer=0;
		int a[105];
		int b[105];
		int ptr=0;
		int ptr2=0;
		vector<int>nodes;
		for(int y=1;y<=n;y++){
			if(dsu.get(y)==y) nodes.push_back(y-1);
		}
		
		int need=lower_bound(bit.begin(),bit.end(),nodes.size())-bit.begin();
		
		for(int y=0;y<=need;y++){
			a.clear();
			b.clear();
			for(auto it:nodes){
				if(it&(1<<y)){
					a[ptr++]=it+1;
				}
				else{
					b[ptr2++]=it+1;
				}
			}
			if(query(ptr,ptr2,a,b)){
				break;
			}
		}
		
		//decomp
		while(a.size()>1||b.size()>1){
			//2 queries
			int a1[105];
			int b1[105];
			int a2[105];
			int b2[105];
			int a11=0;
			int a22=0;
			int b11=0;
			int b22=0;
			for(int y=0;y<ptr;y++){
				if(y%2){
					//a1.push_back(a[y]);
					a1[a11++]=a[y];
				}
				else{
					//a2.push_back(a[y]);
					a2[a22++]=a[y];
				}
			}
			
			for(int y=0;y<ptr2;y++){
				if(y%2){
					//b1.push_back(b[y]);
					b1[b11++]=b[y];
				}
				else{
					//b2.push_back(b[y]);
					b2[b22++]=b[y];
				}
			}
			
			bool hold=query(a11,ptr2,a,b);
			if(hold){
				hold=query(a11,b11,a1,b1);
				a=a1;
				if(hold){
					b=b1;
				}
				else{
					b=b2;
				}
			}
			else{
				a=a2;
				hold=query(a22,b11,a2,b1);
				if(hold){
					b=b1;
				}
				else b=b2;
			}
		}
		
		dsu.unite(a[0],b[0]);
		setRoad(a[0],b[0]);
	}
}

Compilation message (stderr)

icc.cpp: In function 'void run(int)':
icc.cpp:52:27: error: request for member 'clear' in 'a', which is of non-class type 'int [105]'
   52 |                         a.clear();
      |                           ^~~~~
icc.cpp:53:27: error: request for member 'clear' in 'b', which is of non-class type 'int [105]'
   53 |                         b.clear();
      |                           ^~~~~
icc.cpp:68:25: error: request for member 'size' in 'a', which is of non-class type 'int [105]'
   68 |                 while(a.size()>1||b.size()>1){
      |                         ^~~~
icc.cpp:68:37: error: request for member 'size' in 'b', which is of non-class type 'int [105]'
   68 |                 while(a.size()>1||b.size()>1){
      |                                     ^~~~
icc.cpp:103:34: error: invalid array assignment
  103 |                                 a=a1;
      |                                 ~^~~
icc.cpp:105:42: error: invalid array assignment
  105 |                                         b=b1;
      |                                         ~^~~
icc.cpp:108:42: error: invalid array assignment
  108 |                                         b=b2;
      |                                         ~^~~
icc.cpp:112:34: error: invalid array assignment
  112 |                                 a=a2;
      |                                 ~^~~
icc.cpp:115:42: error: invalid array assignment
  115 |                                         b=b1;
      |                                         ~^~~
icc.cpp:117:39: error: invalid array assignment
  117 |                                 else b=b2;
      |                                      ~^~~