Submission #44571

#	Time	Username	Problem	Language	Result	Execution time	Memory
44571		heon	Izbori (COCI17_izbori)	C++11	60 / 80	2359 ms	65536 KiB

izbori

#include<bits/stdc++.h>

using namespace std;

int n,m,k;
vector <int> vec[105];

int currvecfind(vector <int> &currvec, int a){
	for(auto x : currvec){
		if(x == a) return 1;
	}
	return 0;
}

int currentwinner(vector <int> &currvec){
	int winner[105];
	memset(winner,0,sizeof(winner));
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			if(!currvecfind(currvec,vec[i][j])){
				winner[vec[i][j]]++;
				break;
			} 
		}
	}
	int winval = 0, win;
	for(int i = 1; i <= m; i++){
		if(winner[i] > winval){
			winval = winner[i];
			win = i;
		}
	}
	return win;
}

int winner(){
	int winner[105];
	memset(winner,0,sizeof(winner));
	for(int i = 0; i < n; i++){
		winner[vec[i][0]]++;
	}
	int winval = 0, win;
	for(int i = 1; i <= m; i++){
		if(winner[i] > winval){
			winval = winner[i];
			win = i;
		}
	}
	return win;
}

int main(){
	cin >> n >> m >> k;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			int input;
			cin >> input;
			vec[i].push_back(input);
		}
	}
	int originalwinner = winner();
	int izbaceni = 0;
	queue < pair<vector<int>,int> > q;
	vector <int> v = {originalwinner};
	q.push(make_pair(v,1));
	if(originalwinner == k) goto kr;
	while(!q.empty()){
		auto node = q.front();
		q.pop();
		auto currvec = node.first;
		if(currentwinner(currvec) == k){
			izbaceni = node.second;
			break;
		}
		for(int i = 1; i <= m; i++){
			if(!currvecfind(currvec,i) && i != k){
				vector <int> temp = currvec;
				temp.push_back(i);
				q.push(make_pair(temp,node.second+1));
			} 
		}
	}
	kr:;
	cout << originalwinner << endl << izbaceni;
}

Compilation message (stderr)

izbori.cpp: In function 'int currentwinner(std::vector<int>&)':
izbori.cpp:33:9: warning: 'win' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return win;
         ^~~
izbori.cpp: In function 'int winner()':
izbori.cpp:49:9: warning: 'win' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return win;
         ^~~

• Subtask 1: 60 / 80