Submission #87191

#	Time	Username	Problem	Language	Result	Execution time	Memory
87191		jasony123123	Hokej (COCI17_hokej)	C++11	120 / 120	463 ms	25552 KiB

hokej

#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
//using namespace __gnu_pbds;

#define FOR(i,start,end) for(int i=start;i<(int)(end);i++)
#define FORE(i,start,end) for(int i=start;i<=(int)end;i++)
#define RFOR(i,start,end) for(int i = start; i>end; i--)
#define RFORE(i,start,end) for(int i = start; i>=end; i--)
#define vsort(a) sort(a.begin(), a.end());
#define mp make_pair
#define v vector
#define sf scanf
#define pf printf

typedef long long ll;
typedef pair<int, int > pii;
typedef pair<ll, ll> pll;
//template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
void io();

int M, N;
pair<pii, int> players[500000]; // <quality, endurance>, idx
int sched[6][500001];
ll score = 0;
int curplayers[6];


void initSc() {
	int r = 0, c = 0;
	FOR(i, 0, N) {
		pii p = players[i].first;  // <quality, endurance>
		int pidx = players[i].second;
		sched[r][c] = pidx;

		if (c + p.second < M) {
			score += (ll)p.first*p.second;
			c += p.second;
		}
		else if (c + p.second == M) {
			score += (ll)p.first*p.second;
			c = 0;
			r++;
			if (r >= 6)
				break;
		}
		else { // c+p.endu>M
			score += (ll)p.first*(M - c);
			p.second -= M - c;
			c = 0;
			r++;
			if (r >= 6)
				break;
			sched[r][c] = pidx;
			score += (ll)p.first*p.second;
			c += p.second;
		}
	}
}
int main() {
//	io();
	cin >> M >> N;
	FOR(i, 0, N) {
		cin >> players[i].first.first >> players[i].first.second;
		players[i].second = i + 1;
	}
	sort(players, players + N, greater<pair<pii, int>>());
	
	initSc();
	cout << score << "\n";

	FOR(i, 0, 6) {
		curplayers[i] = sched[i][0];
		cout << curplayers[i] << " ";
	}
	cout << "\n";

	v<pair<int, pii>> stuff;

	FOR(i, 1, M) {
		set<int> enter, exit;
		FOR(j, 0, 6) if (sched[j][i] != 0) {
			enter.insert(sched[j][i]);
			exit.insert(curplayers[j]);
			curplayers[j] = sched[j][i];
		}
		v<int> erases;
		for (int x : enter)
			if (exit.find(x) != exit.end())
				erases.push_back(x);
		for (int x : erases)
			enter.erase(x), exit.erase(x);
		assert(enter.size() == exit.size());

		auto enterIt = enter.begin();
		auto exitIt = exit.begin();
		while (enterIt != enter.end() && exitIt != exit.end()) {
			stuff.push_back({ i,{*exitIt, *enterIt} });
			enterIt++, exitIt++;
		}
	}

	cout << stuff.size() << "\n";
	for (auto x : stuff) {
		cout << x.first << " " << x.second.first << " " << x.second.second << "\n";
	}
	return 0;
}


void io() {
#ifndef ONLINE_JUDGE
	freopen("input.in", "r", stdin);
	freopen("output.out", "w", stdout);
#else
	// online submission
#endif
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
}

Compilation message (stderr)

hokej.cpp: In function 'void io()':
hokej.cpp:116:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("input.in", "r", stdin);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
hokej.cpp:117:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("output.out", "w", stdout);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 120 / 120