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답안 #275420

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
275420 2020-08-20T05:59:39 Z 송준혁(#5101) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 291180 KB 
#include "happiness.h"
#include <bits/stdc++.h>
#define INF (1ll<<61)
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;

LL M;
int num=1, lc[20202020], rc[20202020];
LL T[20202020], lz[20202020];
multiset<LL> S;

void busy(int id){
	if (!lz[id]) return;
	if (!lc[id]) lc[id]=++num, T[num]=INF;
	if (!rc[id]) rc[id]=++num, T[num]=INF;
	T[lc[id]] += lz[id], lz[lc[id]] += lz[id];
	T[rc[id]] += lz[id], lz[rc[id]] += lz[id];
	lz[id] = 0;
}

void upd(int id, LL s, LL e, LL ts, LL te, LL v){
	if (e < ts || te < s) return;
	if (ts <= s && e <= te){
		T[id] += v, lz[id] += v;
		return;
	}
	busy(id);
	LL m=s+e>>1;
	if (!lc[id] && ts <= m) lc[id]=++num, T[num]=INF;
	if (!rc[id] && te > m) rc[id]=++num, T[num]=INF;
	upd(lc[id], s, m, ts, te, v);
	upd(rc[id], m+1, e, ts, te, v);
	T[id] = min(T[lc[id]], T[rc[id]]);
}

bool init(int N, long long _M, long long A[]) {
	M = _M;
	T[0]=T[1]=INF;
	for (int i=0; i<N; i++){
		upd(1, 1, M, A[i]+1, M, A[i]);
		if (S.find(A[i]) == S.end()) upd(1, 1, M, A[i], A[i], -INF-A[i]);
		S.insert(A[i]);
	}
	return T[1]>=-1;
}

bool is_happy(int e, int N, long long A[]) {
	if (e>0){
		for (int i=0; i<N; i++){
			upd(1, 1, M, A[i]+1, M, A[i]);
			if (S.find(A[i]) == S.end()) upd(1, 1, M, A[i], A[i], -INF-A[i]);
			S.insert(A[i]);
		}
	}
	else{
		for (int i=0; i<N; i++){
			upd(1, 1, M, A[i]+1, M, -A[i]);
			S.erase(S.find(A[i]));
			if (S.find(A[i]) == S.end()) upd(1, 1, M, A[i], A[i], INF+A[i]);
		}
	}
	return T[1]>=-1;
}

Compilation message

happiness.cpp: In function 'void upd(int, LL, LL, LL, LL, LL)':
happiness.cpp:29:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |  LL m=s+e>>1;
      |       ~^~
grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 4 ms 1920 KB Output is correct
7 Correct 5 ms 2048 KB Output is correct
8 Correct 51 ms 13944 KB Output is correct
9 Correct 49 ms 14104 KB Output is correct
10 Correct 44 ms 13688 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 895 ms 30756 KB Output is correct
7 Correct 909 ms 30456 KB Output is correct
8 Correct 1039 ms 30692 KB Output is correct
9 Correct 1584 ms 36560 KB Output is correct
10 Correct 1834 ms 41296 KB Output is correct
11 Correct 619 ms 26360 KB Output is correct
12 Correct 645 ms 26488 KB Output is correct

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 4 ms 1920 KB Output is correct
7 Correct 5 ms 2048 KB Output is correct
8 Correct 51 ms 13944 KB Output is correct
9 Correct 49 ms 14104 KB Output is correct
10 Correct 44 ms 13688 KB Output is correct
11 Correct 895 ms 30756 KB Output is correct
12 Correct 909 ms 30456 KB Output is correct
13 Correct 1039 ms 30692 KB Output is correct
14 Correct 1584 ms 36560 KB Output is correct
15 Correct 1834 ms 41296 KB Output is correct
16 Correct 619 ms 26360 KB Output is correct
17 Correct 645 ms 26488 KB Output is correct
18 Correct 1643 ms 215780 KB Output is correct
19 Correct 1676 ms 224216 KB Output is correct
20 Execution timed out 2130 ms 291180 KB Time limit exceeded
21 Halted 0 ms 0 KB -