Submission #789355

#	Time	Username	Problem	Language	Result	Execution time	Memory
789355		NothingXD	Aliens (IOI16_aliens)	C++17	0 / 100	1 ms	212 KiB

aliens

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

using namespace std;

typedef long long ll;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef complex<ld> point;

void debug_out() {cerr << endl;}

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
	cerr << H << ' ';
	debug_out(T...);
}

#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)

const int maxn = 100 + 10;

multiset<int> st;
vector<int> val[maxn];

long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
	for (int i = 0; i < n; i++){
		if (r[i] > c[i]) swap(r[i], c[i]);
		val[r[i]].push_back(r[i]);
		val[c[i]].push_back(r[i]);
	}
	ll ans = 0;
	for (int i = 0; i < m; i++){
		for (auto x: val[i]){
			if (x == i) st.insert(i);
		}
		if (st.empty()) continue;
		int tmp = *(st.begin());
		ans += 2 * (i - tmp) + 1;
		for (auto x: val[i]){
			if (x != i) st.erase(st.find(x));
		}
	}
	return ans;
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40