Submission #50648

#TimeUsernameProblemLanguageResultExecution timeMemory
50648Mamnoon_Siam팀들 (IOI15_teams)C++17
21 / 100
4038 ms12968 KiB
#include "teams.h"
//#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

#include <bits/stdc++.h>
using namespace std;

#define debug(s) cout<< #s <<" = "<< s <<endl
#define all(v) (v).begin(), (v).end()
#define KeepUnique(v) (v).erase( unique(all(v)), v.end() )
#define MEMSET(a,val) memset(a, val, sizeof a)
#define PB push_back
#define endl '\n'

inline int myrand(int l, int r) {
	int ret = rand(); ret <<= 15; ret ^= rand();
	if(ret < 0) ret = -ret; ret %= (r-l+1); ret += l;
	return ret;
}
template <typename F, typename S>
ostream& operator << (ostream& os, const pair< F, S>& p) {
    return os<<"(" <<p.first<<", "<<p.second<<")"; }

typedef pair<int, int> ii;
template<typename T> using min_pq =
	priority_queue<T, vector<T>, greater<T> >;

//int dx[] = {-1, +0, +1, +0};
//int dy[] = {+0, +1, +0, -1};

int n;
vector<int> L, R;

void init(int N, int A[], int B[]) {
	L.resize(N);
	R.resize(N);
	n = N;
	for(int i = 0; i < N; i++) {
		L[i] = A[i];
		R[i] = B[i];
	}
	vector<ii> temp;
	for(int i = 0; i < n; i++) {
		temp.push_back(ii(R[i], L[i]));
	}
	sort(all(temp));
	for(int i = 0; i < n; i++) {
		L[i] = temp[i].second;
		R[i] = temp[i].first;
	}
}

int can(int M, int K[]) {
	sort(K, K + M);
	int s = 0;
	for(int i = 0; i < M; i++)
		s += K[i];
	if(s > n) return 0;
	vector<int> ok(n);
	for(int i = 0; i < M; i++) {
		int k = K[i];
		while(k--) {
			int id = -1;
			for(int j = 0; j < n; j++) {
				if(ok[j]) continue;
				if(L[j] <= K[i] and K[i] <= R[j]) {
					id = j;
					break;
				}
			}
			if(id == -1) return 0;
			ok[id] = 1;
		}
	}
	return 1;
}

Compilation message (stderr)

teams.cpp: In function 'int myrand(int, int)':
teams.cpp:17:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(ret < 0) ret = -ret; ret %= (r-l+1); ret += l;
  ^~
teams.cpp:17:26: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if(ret < 0) ret = -ret; ret %= (r-l+1); ret += l;
                          ^~~
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