Submission #47899

# Submission time Handle Problem Language Result Execution time Memory
47899 2018-05-08T13:31:30 Z robert ICC (CEOI16_icc) C++14
Compilation error
0 ms 0 KB
#include "icc.h"

using namespace std;

const int MAXN = 110;

int UFDS[MAXN];

int p(int n){
	if(UFDS[n]==n)
		return n;
	else
		return UFDS[n] = p(UFDS[n]);
}

int merge(int i, int j){
	UFDS[p(i)] = p(j);
}

void findRoad(){
	for(int i=1; i<=N; i++){
	//	if(UFDS[i]==i){
			for(int j=i+1; j<=N; j++){
				if(p(j)!=p(i)){
					//both i and j are leaders of their group
/*					int *f = new int[110], *s = new int[110];
					int fs=0, ss=0;
					for(int x=1; x<=N; x++){
						if(p(x)==i){
							f[fs++] = x;
						} else if(p(x)==j){
							s[ss++] = x;
						}
					}
					if(query(fs, ss, f, s)){
						//found between which two sets a road has been built
						merge(i, j);
						setRoad
					}
*/					int f[] = {i}, s[] = {j};
					if(query(1, 1, f, s)){
						merge(i, j);
						setRoad(i, j);
						return;
					}
				}
			}
	//	}
	}
}

void run(int N){
	for(int n=0; n<=N; n++){
		UFDS[n] = n;
	}
	for(int n=1; n<N; n++)
		findRoad();
}

Compilation message

icc.cpp: In function 'int merge(int, int)':
icc.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
icc.cpp: In function 'void findRoad()':
icc.cpp:21:18: error: 'N' was not declared in this scope
  for(int i=1; i<=N; i++){
                  ^