oj.uz

Submission #602887

# Submission time Handle Problem Language Result Execution time Memory
602887 2022-07-23T12:23:24 Z IvanJ Snowball (JOI21_ho_t2) C++17
100 / 100
 1091 ms 15560 KB 
#include<bits/stdc++.h>

#define pb push_back
#define all(a) (a).begin(), (a).end()

using namespace std;

typedef long long ll;

const int maxn = 2e5 + 5;

int n, q;
ll A[maxn], B[maxn];
vector<ll> L, R;
ll ansL[maxn], ansR[maxn];

int main() {
	scanf("%d%d", &n, &q);
	for(int i = 0;i < n;i++) scanf("%lld", A + i);
	for(int i = 0;i < q;i++) scanf("%lld", B + i);
	
	L.pb(min(0LL, B[0])), R.pb(max(0LL, B[0]));
	ll x = B[0];
	for(int i = 1;i < q;i++) {
		x += B[i];
		L.pb(min(L[i - 1], x));
		R.pb(max(R[i - 1], x));
	}
	for(int i = 0;i < q;i++) L[i] = -L[i];
	
	ansL[0] = L[q - 1];
	for(int i = 1;i < n;i++) {
		ll lo = 0, hi = 1e18;
		while(lo <= hi) {
			ll mid = (lo + hi) / 2;
			int pos = lower_bound(all(L), mid) - L.begin();
			if(pos != L.size() && mid + R[pos] <= A[i] - A[i - 1])
				ansL[i] = mid, lo = mid + 1;
			else hi = mid - 1;
		}
	}
	ansR[n - 1] = R[q - 1];
	for(int i = 0;i < n - 1;i++) {
		ll lo = 0, hi = 1e18;
		while(lo <= hi) {
			ll mid = (lo + hi) / 2;
			int pos = lower_bound(all(R), mid) - R.begin();
			if(pos != R.size() && mid + L[pos] <= A[i + 1] - A[i])
				ansR[i] = mid, lo = mid + 1;
			else hi = mid - 1;
		}
	}
	
	for(int i = 0;i < n;i++) printf("%lld\n", ansL[i] + ansR[i]);
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:37:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |    if(pos != L.size() && mid + R[pos] <= A[i] - A[i - 1])
      |       ~~~~^~~~~~~~~~~
Main.cpp:48:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |    if(pos != R.size() && mid + L[pos] <= A[i + 1] - A[i])
      |       ~~~~^~~~~~~~~~~
Main.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |  scanf("%d%d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:19:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  for(int i = 0;i < n;i++) scanf("%lld", A + i);
      |                           ~~~~~^~~~~~~~~~~~~~~
Main.cpp:20:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  for(int i = 0;i < q;i++) scanf("%lld", B + i);
      |                           ~~~~~^~~~~~~~~~~~~~~

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 496 KB Output is correct
5 Correct 6 ms 456 KB Output is correct
6 Correct 6 ms 456 KB Output is correct
7 Correct 5 ms 468 KB Output is correct
8 Correct 5 ms 468 KB Output is correct
9 Correct 6 ms 460 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 6 ms 496 KB Output is correct
16 Correct 6 ms 500 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 4 ms 468 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 496 KB Output is correct
5 Correct 6 ms 456 KB Output is correct
6 Correct 6 ms 456 KB Output is correct
7 Correct 5 ms 468 KB Output is correct
8 Correct 5 ms 468 KB Output is correct
9 Correct 6 ms 460 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 6 ms 496 KB Output is correct
16 Correct 6 ms 500 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 4 ms 468 KB Output is correct
20 Correct 29 ms 7320 KB Output is correct
21 Correct 34 ms 7140 KB Output is correct
22 Correct 33 ms 6932 KB Output is correct
23 Correct 48 ms 6832 KB Output is correct
24 Correct 134 ms 7416 KB Output is correct
25 Correct 1061 ms 15412 KB Output is correct
26 Correct 1091 ms 15168 KB Output is correct
27 Correct 1004 ms 14712 KB Output is correct
28 Correct 966 ms 14900 KB Output is correct
29 Correct 932 ms 14580 KB Output is correct
30 Correct 611 ms 13876 KB Output is correct
31 Correct 508 ms 13256 KB Output is correct
32 Correct 500 ms 13364 KB Output is correct
33 Correct 84 ms 1948 KB Output is correct
34 Correct 987 ms 15508 KB Output is correct
35 Correct 938 ms 14876 KB Output is correct
36 Correct 1047 ms 15140 KB Output is correct
37 Correct 988 ms 14912 KB Output is correct
38 Correct 996 ms 14900 KB Output is correct
39 Correct 979 ms 14968 KB Output is correct
40 Correct 635 ms 14948 KB Output is correct
41 Correct 33 ms 7984 KB Output is correct
42 Correct 487 ms 13412 KB Output is correct
43 Correct 478 ms 15164 KB Output is correct
44 Correct 30 ms 7836 KB Output is correct
45 Correct 591 ms 14944 KB Output is correct
46 Correct 517 ms 15256 KB Output is correct
47 Correct 591 ms 15484 KB Output is correct
48 Correct 527 ms 15560 KB Output is correct