oj.uz

Submission #73824

# Submission time Handle Problem Language Result Execution time Memory
73824 2018-08-29T05:34:37 Z 아인따(#2278) Gorgeous Pill (FXCUP3_gorgeous) C++11
100 / 100
 372 ms 32260 KB 
#include<cstdio>
#include<algorithm>
#include<vector>
#define pil pair<int,long long>
#define N_ 301000
#define SZ 524288
using namespace std;
struct point {
	int b, e, c, ck;
	bool operator <(const point &p)const {
		return b != p.b ? b<p.b : e>p.e;
	}
}P[N_*3];
int w[N_], cnt, C[N_];
int n;
long long IT[SZ + SZ], D[N_*3], Res[N_];
void Put(int a, long long b) {
	a += SZ;
	while (a) {
		IT[a] = max(IT[a], b);
		a >>= 1;
	}
}
long long Max(int b, int e) {
	long long r = 0;
	b += SZ, e += SZ;
	while (b <= e) {
		r = max(r, max(IT[b], IT[e]));
		b = (b + 1) >> 1, e = (e - 1) >> 1;
	}
	return r;
}
void Calc(int a) {
	int b = P[a].b, e = P[a].e;
	D[a] = Max(e, n) + P[a].c;
}
int main() {
	int i;
	scanf("%d", &n);
	P[cnt++] = { 1,n,0 };
	for (i = 1; i <= n; i++) scanf("%d", &w[i]);
	for (i = 1; i <= n; i++){
		scanf("%d", &C[i]);
		if (i - w[i] + 1 >= 1)P[cnt++] = { i - w[i] + 1, i, C[i], 1 };
		if (i + w[i] - 1 <= n)P[cnt++] = { i, i + w[i] - 1, C[i], 0 };
		if(w[i] != 1)P[cnt++] = { i,i,0,0 };
	}
	sort(P, P + cnt);
	vector<pil>V;
	for (i = 0; i < cnt; i++) {
		if (i && P[i].b != P[i - 1].b) {
			for (auto &x : V) Put(x.first, x.second);
			V.clear();
		}
		Calc(i);
		if (P[i].ck == 1)Put(P[i].e - 1, D[i]);
		else V.push_back({ P[i].e, D[i] });
	}
	for (i = 0; i < cnt; i++) {
		if (P[i].b == P[i].e)Res[P[i].b] = max(Res[P[i].b], D[i]);
	}
	for (i = 1; i <= n; i++)printf("%lld ", Res[i]);
}

Compilation message

gorgeous.cpp: In function 'void Calc(int)':
gorgeous.cpp:34:6: warning: unused variable 'b' [-Wunused-variable]
  int b = P[a].b, e = P[a].e;
      ^
gorgeous.cpp: In function 'int main()':
gorgeous.cpp:39:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
gorgeous.cpp:41:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (i = 1; i <= n; i++) scanf("%d", &w[i]);
                           ~~~~~^~~~~~~~~~~~~
gorgeous.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &C[i]);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 524 KB Output is correct
3 Correct 3 ms 524 KB Output is correct
4 Correct 3 ms 576 KB Output is correct
5 Correct 3 ms 600 KB Output is correct
6 Correct 3 ms 600 KB Output is correct

Subtask #2
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 524 KB Output is correct
3 Correct 3 ms 524 KB Output is correct
4 Correct 3 ms 576 KB Output is correct
5 Correct 3 ms 600 KB Output is correct
6 Correct 3 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 3 ms 700 KB Output is correct
11 Correct 3 ms 748 KB Output is correct
12 Correct 3 ms 748 KB Output is correct
13 Correct 5 ms 828 KB Output is correct
14 Correct 5 ms 828 KB Output is correct
15 Correct 6 ms 828 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 524 KB Output is correct
3 Correct 3 ms 524 KB Output is correct
4 Correct 3 ms 576 KB Output is correct
5 Correct 3 ms 600 KB Output is correct
6 Correct 3 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 3 ms 700 KB Output is correct
11 Correct 3 ms 748 KB Output is correct
12 Correct 3 ms 748 KB Output is correct
13 Correct 5 ms 828 KB Output is correct
14 Correct 5 ms 828 KB Output is correct
15 Correct 6 ms 828 KB Output is correct
16 Correct 15 ms 1164 KB Output is correct
17 Correct 27 ms 2828 KB Output is correct
18 Correct 128 ms 9336 KB Output is correct
19 Correct 139 ms 11892 KB Output is correct
20 Correct 368 ms 26604 KB Output is correct
21 Correct 329 ms 27932 KB Output is correct
22 Correct 372 ms 27960 KB Output is correct
23 Correct 335 ms 27960 KB Output is correct
24 Correct 353 ms 27976 KB Output is correct
25 Correct 279 ms 32260 KB Output is correct