# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
59221 |
2018-07-21T08:33:11 Z |
ruhanhabib39 |
Wall (IOI14_wall) |
C++17 |
|
1102 ms |
154772 KB |
#include "wall.h"
#include <algorithm>
#include <cstdio>
#include <cassert>
namespace {
const int MAXN = 2e6;
const int INF = 1e9;
struct Range {
int l, r;
bool operator==(Range rng) const {
return l == rng.l && r == rng.r;
}
bool operator!=(Range rng) const {
return l != rng.l || r != rng.r;
}
Range inters(Range rng) const {
if(r < rng.l) {
return Range{rng.l, rng.l};
}
if(rng.r < l) {
return Range{rng.r, rng.r};
}
auto res = Range{std::max(l, rng.l), std::min(r, rng.r)};
return res;
}
};
Range tree[4 * MAXN + 10];
void init(int cn, int b, int e) {
tree[cn] = {0, 0};
if(b == e) return;
int m = (b + e) / 2;
init(2*cn, b, m);
init(2*cn+1, m+1, e);
}
void upd(int cn, int b, int e, int l, int r, Range rng, Range prop = Range{0, INF}) {
//fprintf(stderr, "before prop tree[%d,%d] = {[%d,%d], %d}\n", b, e, tree[cn].l, tree[cn].r, tree[cn].pos_left);
tree[cn] = tree[cn].inters(prop);
//fprintf(stderr, "after prop tree[%d,%d] = {[%d,%d], %d}\n", b, e, tree[cn].l, tree[cn].r, tree[cn].pos_left);
if(r < b || l > e) return;
int m = (b + e) / 2;
//fprintf(stderr, "upd([%d,%d],[%d,%d],[%d,%d]\n", b, e, l, r, rng.l, rng.r);
if(l <= b && e <= r) {
//fprintf(stderr, "before tree[%d,%d] = {[%d,%d],%d}\n", b, e, tree[cn].l, tree[cn].r, tree[cn].pos_left);
tree[cn] = tree[cn].inters(rng);
//fprintf(stderr, "after tree[%d,%d] = {[%d,%d],%d}\n", b, e, tree[cn].l, tree[cn].r, tree[cn].pos_left);
return;
}
prop = tree[cn];
upd(2*cn, b, m, l, r, rng, prop);
upd(2*cn+1, m+1, e, l, r, rng, prop);
tree[cn] = Range{0, INF};
}
void get_res(int cn, int b, int e, Range rng, int finalHeight[]) {
if(b == e) {
Range res_range = tree[cn].inters(rng);
finalHeight[b] = res_range.l;
//fprintf(stderr, "pos_left[%d] = %d, val = %d, range = [%d, %d]\n", b, rng.pos_left, finalHeight[b], res_range.l, res_range.r);
return;
}
int m = (b + e) / 2;
rng = tree[cn].inters(rng);
get_res(2*cn, b, m, tree[cn].inters(rng), finalHeight);
get_res(2*cn+1, m+1, e, tree[cn].inters(rng), finalHeight);
}
};
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
init(1, 0, n-1);
for(int i = 0; i < k; i++) {
Range rng;
if(op[i] == 1) rng = Range{height[i], INF};
else rng = Range{0, height[i]};
upd(1, 0, n-1, left[i], right[i], rng);
}
get_res(1, 0, n-1, Range{0, INF}, finalHeight);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
376 KB |
Output is correct |
2 |
Correct |
6 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
420 KB |
Output is correct |
4 |
Correct |
10 ms |
880 KB |
Output is correct |
5 |
Correct |
10 ms |
956 KB |
Output is correct |
6 |
Correct |
9 ms |
1016 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1016 KB |
Output is correct |
2 |
Correct |
196 ms |
8488 KB |
Output is correct |
3 |
Correct |
215 ms |
8488 KB |
Output is correct |
4 |
Correct |
753 ms |
20788 KB |
Output is correct |
5 |
Correct |
460 ms |
31372 KB |
Output is correct |
6 |
Correct |
442 ms |
39992 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
39992 KB |
Output is correct |
2 |
Correct |
5 ms |
39992 KB |
Output is correct |
3 |
Correct |
4 ms |
39992 KB |
Output is correct |
4 |
Correct |
10 ms |
39992 KB |
Output is correct |
5 |
Correct |
10 ms |
39992 KB |
Output is correct |
6 |
Correct |
12 ms |
39992 KB |
Output is correct |
7 |
Correct |
3 ms |
39992 KB |
Output is correct |
8 |
Correct |
200 ms |
39992 KB |
Output is correct |
9 |
Correct |
233 ms |
39992 KB |
Output is correct |
10 |
Correct |
743 ms |
49124 KB |
Output is correct |
11 |
Correct |
451 ms |
59744 KB |
Output is correct |
12 |
Correct |
460 ms |
68368 KB |
Output is correct |
13 |
Correct |
3 ms |
68368 KB |
Output is correct |
14 |
Correct |
256 ms |
70960 KB |
Output is correct |
15 |
Correct |
55 ms |
70960 KB |
Output is correct |
16 |
Correct |
931 ms |
76180 KB |
Output is correct |
17 |
Correct |
418 ms |
76180 KB |
Output is correct |
18 |
Correct |
439 ms |
76180 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
76180 KB |
Output is correct |
2 |
Correct |
4 ms |
76180 KB |
Output is correct |
3 |
Correct |
5 ms |
76180 KB |
Output is correct |
4 |
Correct |
9 ms |
76180 KB |
Output is correct |
5 |
Correct |
8 ms |
76180 KB |
Output is correct |
6 |
Correct |
13 ms |
76180 KB |
Output is correct |
7 |
Correct |
2 ms |
76180 KB |
Output is correct |
8 |
Correct |
248 ms |
76180 KB |
Output is correct |
9 |
Correct |
281 ms |
76180 KB |
Output is correct |
10 |
Correct |
773 ms |
76180 KB |
Output is correct |
11 |
Correct |
460 ms |
76432 KB |
Output is correct |
12 |
Correct |
483 ms |
76432 KB |
Output is correct |
13 |
Correct |
3 ms |
76432 KB |
Output is correct |
14 |
Correct |
193 ms |
76432 KB |
Output is correct |
15 |
Correct |
61 ms |
76432 KB |
Output is correct |
16 |
Correct |
911 ms |
76848 KB |
Output is correct |
17 |
Correct |
565 ms |
77092 KB |
Output is correct |
18 |
Correct |
413 ms |
77092 KB |
Output is correct |
19 |
Correct |
929 ms |
124736 KB |
Output is correct |
20 |
Correct |
960 ms |
124736 KB |
Output is correct |
21 |
Correct |
1072 ms |
124868 KB |
Output is correct |
22 |
Correct |
1078 ms |
132892 KB |
Output is correct |
23 |
Correct |
1102 ms |
143268 KB |
Output is correct |
24 |
Correct |
1085 ms |
152400 KB |
Output is correct |
25 |
Correct |
1085 ms |
152400 KB |
Output is correct |
26 |
Correct |
927 ms |
154772 KB |
Output is correct |
27 |
Correct |
913 ms |
154772 KB |
Output is correct |
28 |
Correct |
955 ms |
154772 KB |
Output is correct |
29 |
Correct |
986 ms |
154772 KB |
Output is correct |
30 |
Correct |
983 ms |
154772 KB |
Output is correct |