oj.uz

Submission #412478

# Submission time Handle Problem Language Result Execution time Memory
412478 2021-05-27T01:18:05 Z songc Secret (JOI14_secret) C++14
0 / 100
 519 ms 4396 KB 
#include "secret.h"

int N;
int A[1010], T[20][1010];

void dnc(int d, int s, int e){
	if (s == e) return;
	int m=s+e>>1;
	T[d][m+1] = A[m+1];
	for (int i=m+2; i<=e; i++) T[d][i] = Secret(T[d][i-1], A[i]);
	T[d][m] = A[m];
	for (int i=m-1; i>=s; i--) T[d][i] = Secret(T[d][i+1], A[i]);
	dnc(d+1, s, m), dnc(d+1, m+1, e);
}

void Init(int _N, int P[]){
	N = _N;
	for (int i=0; i<N; i++) A[i] = P[i];
	dnc(0, 0, N-1);
}

int qry(int d, int s, int e, int ts, int te){
	int m=s+e>>1;
	if (ts <= m && m <= te) return Secret(T[d][ts], T[d][te]);
	if (te <= m) return qry(d+1, s, m, ts, te);
	return qry(d+1, m+1, e, ts, te);
}

int Query(int L, int R){
	if (L == R) return A[L];
	return qry(0, 0, N-1, L, R);
}

Compilation message

secret.cpp: In function 'void dnc(int, int, int)':
secret.cpp:8:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    8 |  int m=s+e>>1;
      |        ~^~
secret.cpp: In function 'int qry(int, int, int, int, int)':
secret.cpp:23:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |  int m=s+e>>1;
      |        ~^~

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 134 ms 2452 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015.
2 Incorrect 136 ms 2416 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 137 ms 2376 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4 Incorrect 505 ms 4344 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5 Incorrect 519 ms 4396 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6 Incorrect 506 ms 4296 KB Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445.
7 Incorrect 507 ms 4364 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8 Incorrect 508 ms 4276 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9 Incorrect 499 ms 4376 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10 Incorrect 501 ms 4276 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.