oj.uz

답안 #100557

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
100557 2019-03-12T08:52:32 Z JPN20 Worst Reporter 3 (JOI18_worst_reporter3) C++17
100 / 100
 712 ms 13176 KB 
#include <bits/stdc++.h>
using namespace std;

long long N, Q, D[1 << 19];
vector<tuple<int, int, long long>>tup;

long long solve(long long T, long long L, long long R) {
	long long sum = 0;
	for (int i = 0; i < tup.size(); i++) {
		long long E = (T / get<2>(tup[i])) * get<2>(tup[i]);
		long long EL = -1LL * get<1>(tup[i]) + E;
		long long ER = -1LL * get<0>(tup[i]) + E;
		long long PL = max(EL, L), PR = min(ER, R);
		if (PL <= PR) sum += (PR - PL + 1);
	}
	if (L <= T && T <= R) sum++;
	return sum;
}

int main() {
	scanf("%lld%lld", &N, &Q);
	for (int i = 1; i <= N; i++) {
		scanf("%lld", &D[i]);
		if (i >= 2) { D[i] += D[i - 1] - 1; D[i] /= D[i - 1]; D[i] *= D[i - 1]; }
	}
	int t = 1;
	for (int i = 1; i <= N; i++) {
		if (i == N || D[i] != D[i + 1]) {
			tup.push_back(make_tuple(t, i, D[i]));
			t = i + 1;
		}
	}
	for (int i = 1; i <= Q; i++) {
		long long T, L, R;
		scanf("%lld%lld%lld", &T, &L, &R);
		printf("%lld\n", solve(T, L, R));
	}
	return 0;
}

Compilation message

worst_reporter3.cpp: In function 'long long int solve(long long int, long long int, long long int)':
worst_reporter3.cpp:9:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < tup.size(); i++) {
                  ~~^~~~~~~~~~~~
worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &N, &Q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
worst_reporter3.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &D[i]);
   ~~~~~^~~~~~~~~~~~~~~
worst_reporter3.cpp:35:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", &T, &L, &R);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 319 ms 13048 KB Output is correct
2 Correct 324 ms 13012 KB Output is correct
3 Correct 321 ms 12996 KB Output is correct
4 Correct 327 ms 13060 KB Output is correct
5 Correct 333 ms 13172 KB Output is correct
6 Correct 328 ms 13176 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 356 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct

Subtask #3
81.0 / 81.0

# 결과 실행 시간 메모리 Grader output
1 Correct 319 ms 13048 KB Output is correct
2 Correct 324 ms 13012 KB Output is correct
3 Correct 321 ms 12996 KB Output is correct
4 Correct 327 ms 13060 KB Output is correct
5 Correct 333 ms 13172 KB Output is correct
6 Correct 328 ms 13176 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 356 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 386 ms 10548 KB Output is correct
14 Correct 374 ms 5496 KB Output is correct
15 Correct 354 ms 10476 KB Output is correct
16 Correct 358 ms 10312 KB Output is correct
17 Correct 558 ms 7036 KB Output is correct
18 Correct 549 ms 6776 KB Output is correct
19 Correct 495 ms 6876 KB Output is correct
20 Correct 465 ms 6904 KB Output is correct
21 Correct 468 ms 7116 KB Output is correct
22 Correct 513 ms 6904 KB Output is correct
23 Correct 631 ms 6904 KB Output is correct
24 Correct 505 ms 6904 KB Output is correct
25 Correct 475 ms 12144 KB Output is correct
26 Correct 420 ms 12112 KB Output is correct
27 Correct 712 ms 7288 KB Output is correct
28 Correct 576 ms 7192 KB Output is correct
29 Correct 561 ms 7160 KB Output is correct
30 Correct 605 ms 7380 KB Output is correct
31 Correct 580 ms 7160 KB Output is correct
32 Correct 350 ms 11256 KB Output is correct
33 Correct 2 ms 384 KB Output is correct