Submission #730439

#	Time	Username	Problem	Language	Result	Execution time	Memory
730439		grossly_overconfident	Game (APIO22_game)	C++17	0 / 100	0 ms	208 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> la, sd;
int n, k;
int par(vector<int>& p, int i){
	if (i == p[i]){
		return i;
	}
	return(p, p[i]);
}

int solvesmaller(int a, int b, int k){
	if (a >= k){
		return b;
	}
	if (b >= k){
		return a;
	}
	return min(a, b);
}

int solvelarger(int a, int b, int k){
	if (a >= k){
		return b;
	}
	if (b >= k){
		return a;
	}
	return max(a, b);
}

void init(int N, int K) {
	n = N;
	k = K;
	la.resize(n);
	sd.resize(n);
	iota(la.begin(), la.end(), 0);
	iota(sd.begin(), sd.end(), 0);
}

int add_teleporter(int u, int v) {
	sd[par(sd, u)] = solvesmaller(par(sd, v), par(sd, u), k);
	la[par(la, v)] = solvelarger(par(la, v), par(la, u), k);
	if (par(sd, u) < par(la, u) && par(sd, u) < k && par(la, u) < k){
		return 1;
	}
	if (par(sd, v) < par(la, v) && par(sd, v) < k && par(la, v) < k){
		return 1;
	}
	return 0;
}

int nothing() {
	int n, k, m;
	cin >> n >> k >> m;
	init(n, k);
	for (int i = 0; i < m; ++i){
		int a, b;
		cin >> a >> b;
		cout << add_teleporter(a, b) << endl;
	}
	return 0;
}

Compilation message (stderr)

game.cpp: In function 'int par(std::vector<int>&, int)':
game.cpp:10:9: warning: left operand of comma operator has no effect [-Wunused-value]
   10 |  return(p, p[i]);
      |         ^

• Subtask 1: 0 / 2
• Subtask 2: 0 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 30
• Subtask 5: 0 / 40