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답안 #275529

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
275529 2020-08-20T06:24:06 Z 송준혁(#5101) Happiness (Balkan15_HAPPINESS) C++17
0 / 100
 1 ms 384 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];

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){
		if (ts == te){
			if (v < 0){
				if (!lz[id]) T[id] += v;
				lz[id]++;
			}
			else{
				lz[id]--;
				if (!lz[id]) T[id] += v;
			}
			return;
		}
		T[id] += v, lz[id] += v;
		return;
	}
	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]]) + lz[id];
}

bool init(int N, long long _M, long long A[]) {
	M = _M+3;
	T[0]=T[1]=INF;
	for (int i=0; i<N; i++){
		upd(1, 1, M, A[i]+1, M, A[i]);
		upd(1, 1, M, A[i], A[i], -INF-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]);
			upd(1, 1, M, A[i], A[i], -INF-A[i]);
		}
	}
	else{
		for (int i=0; i<N; i++){
			upd(1, 1, M, A[i]+1, M, -A[i]);
			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
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -