| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 160265 |
2019-10-26T15:32:53 Z |
bortoz |
Horses (IOI15_horses) |
C++17 |
|
383 ms |
31864 KB |
#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
constexpr int MAXN = 1 << 19;
constexpr int MOD = 1e9 + 7;
pair<int, bool> segX[2 * MAXN];
int segM[2 * MAXN];
int Y[MAXN];
pair<int, bool> joinX(pair<int, bool>& a, pair<int, bool>& b) {
ll r = 1ll * a.fi * b.fi;
bool o = (r >= MOD) || a.se || b.se;
return make_pair(r % MOD, o);
}
pair<int, bool> queryX(int l, int r) {
pair<int, bool> ans{1, false};
for (l += MAXN, r += MAXN; l < r; l /= 2, r /= 2) {
if (l & 1) ans = joinX(ans, segX[l++]);
if (r & 1) ans = joinX(ans, segX[--r]);
}
return ans;
}
int joinM(int a, int b) {
pair<int, bool> mulX = queryX(a + 1, b + 1);
if (mulX.se) return b;
return Y[a] > 1ll * mulX.fi * Y[b] ? a : b;
}
int init(int N, int* X, int*_Y) {
copy(_Y, _Y + N, Y);
for (int i = 0; i < N; i++) {
segX[i + MAXN] = make_pair(X[i], false);
}
iota(segM + MAXN, segM + 2 * MAXN, 0);
for (int i = MAXN - 1; i > 0; i--) {
segX[i] = joinX(segX[2 * i], segX[2 * i + 1]);
segM[i] = joinM(segM[2 * i], segM[2 * i + 1]);
}
return 1ll * queryX(0, segM[1] + 1).fi * Y[segM[1]] % MOD;
}
int updateX(int pos, int val) {
for (segX[pos += MAXN] = make_pair(val, false); pos > 1; pos /= 2) {
segX[pos / 2] = joinX(segX[pos & -2], segX[pos | 1]);
segM[pos / 2] = joinM(segM[pos & -2], segM[pos | 1]);
}
return 1ll * queryX(0, segM[1] + 1).fi * Y[segM[1]] % MOD;
}
int updateY(int pos, int val) {
for (Y[pos] = val, pos += MAXN; pos > 1; pos /= 2) {
segX[pos / 2] = joinX(segX[pos & -2], segX[pos | 1]);
segM[pos / 2] = joinM(segM[pos & -2], segM[pos | 1]);
}
return 1ll * queryX(0, segM[1] + 1).fi * Y[segM[1]] % MOD;
}
Compilation message
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:46:54: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return 1ll * queryX(0, segM[1] + 1).fi * Y[segM[1]] % MOD;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:54:54: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return 1ll * queryX(0, segM[1] + 1).fi * Y[segM[1]] % MOD;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:62:54: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return 1ll * queryX(0, segM[1] + 1).fi * Y[segM[1]] % MOD;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
35 ms |
8568 KB |
Output is correct |
| 2 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 3 |
Correct |
18 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 5 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 6 |
Correct |
18 ms |
8592 KB |
Output is correct |
| 7 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 8 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 9 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 10 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 11 |
Correct |
18 ms |
8496 KB |
Output is correct |
| 12 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 13 |
Correct |
18 ms |
8572 KB |
Output is correct |
| 14 |
Correct |
18 ms |
8596 KB |
Output is correct |
| 15 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 16 |
Correct |
18 ms |
8496 KB |
Output is correct |
| 17 |
Correct |
18 ms |
8532 KB |
Output is correct |
| 18 |
Correct |
23 ms |
8568 KB |
Output is correct |
| 19 |
Correct |
18 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
18 ms |
8568 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 2 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 3 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 4 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 5 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 6 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 7 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 8 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 9 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 10 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 11 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 12 |
Correct |
21 ms |
8568 KB |
Output is correct |
| 13 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 14 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 15 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 16 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 17 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 18 |
Correct |
18 ms |
8480 KB |
Output is correct |
| 19 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 20 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 21 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 22 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 23 |
Correct |
20 ms |
8628 KB |
Output is correct |
| 24 |
Correct |
20 ms |
8568 KB |
Output is correct |
| 25 |
Correct |
20 ms |
8696 KB |
Output is correct |
| 26 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 27 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 28 |
Correct |
19 ms |
8572 KB |
Output is correct |
| 29 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 30 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 31 |
Correct |
29 ms |
8696 KB |
Output is correct |
| 32 |
Correct |
19 ms |
8568 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
143 ms |
19640 KB |
Output is correct |
| 2 |
Correct |
190 ms |
19584 KB |
Output is correct |
| 3 |
Correct |
223 ms |
19448 KB |
Output is correct |
| 4 |
Correct |
225 ms |
19448 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 2 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 3 |
Correct |
18 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
18 ms |
8544 KB |
Output is correct |
| 5 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 6 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 7 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 8 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 9 |
Correct |
18 ms |
8572 KB |
Output is correct |
| 10 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 11 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 12 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 13 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 14 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 15 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 16 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 17 |
Correct |
19 ms |
8696 KB |
Output is correct |
| 18 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 19 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 20 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 21 |
Correct |
25 ms |
8568 KB |
Output is correct |
| 22 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 23 |
Correct |
20 ms |
8696 KB |
Output is correct |
| 24 |
Correct |
20 ms |
8560 KB |
Output is correct |
| 25 |
Correct |
20 ms |
8696 KB |
Output is correct |
| 26 |
Correct |
19 ms |
8696 KB |
Output is correct |
| 27 |
Correct |
20 ms |
8568 KB |
Output is correct |
| 28 |
Correct |
20 ms |
8824 KB |
Output is correct |
| 29 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 30 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 31 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 32 |
Correct |
20 ms |
8568 KB |
Output is correct |
| 33 |
Correct |
73 ms |
22392 KB |
Output is correct |
| 34 |
Correct |
77 ms |
22392 KB |
Output is correct |
| 35 |
Correct |
79 ms |
29304 KB |
Output is correct |
| 36 |
Correct |
76 ms |
29432 KB |
Output is correct |
| 37 |
Correct |
51 ms |
20600 KB |
Output is correct |
| 38 |
Correct |
47 ms |
21496 KB |
Output is correct |
| 39 |
Correct |
42 ms |
20492 KB |
Output is correct |
| 40 |
Correct |
57 ms |
24440 KB |
Output is correct |
| 41 |
Correct |
47 ms |
20444 KB |
Output is correct |
| 42 |
Correct |
44 ms |
20600 KB |
Output is correct |
| 43 |
Correct |
50 ms |
24696 KB |
Output is correct |
| 44 |
Correct |
51 ms |
24696 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 2 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 3 |
Correct |
17 ms |
8568 KB |
Output is correct |
| 4 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 5 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 6 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 7 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 8 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 9 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 10 |
Correct |
18 ms |
8492 KB |
Output is correct |
| 11 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 12 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 13 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 14 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 15 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 16 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 17 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 18 |
Correct |
18 ms |
8696 KB |
Output is correct |
| 19 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 20 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 21 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 22 |
Correct |
18 ms |
8568 KB |
Output is correct |
| 23 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 24 |
Correct |
20 ms |
8724 KB |
Output is correct |
| 25 |
Correct |
19 ms |
8696 KB |
Output is correct |
| 26 |
Correct |
20 ms |
8700 KB |
Output is correct |
| 27 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 28 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 29 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 30 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 31 |
Correct |
19 ms |
8568 KB |
Output is correct |
| 32 |
Correct |
20 ms |
8568 KB |
Output is correct |
| 33 |
Correct |
142 ms |
23312 KB |
Output is correct |
| 34 |
Correct |
192 ms |
31864 KB |
Output is correct |
| 35 |
Correct |
221 ms |
23288 KB |
Output is correct |
| 36 |
Correct |
222 ms |
27092 KB |
Output is correct |
| 37 |
Correct |
80 ms |
22392 KB |
Output is correct |
| 38 |
Correct |
82 ms |
22328 KB |
Output is correct |
| 39 |
Correct |
80 ms |
29304 KB |
Output is correct |
| 40 |
Correct |
78 ms |
29432 KB |
Output is correct |
| 41 |
Correct |
53 ms |
20600 KB |
Output is correct |
| 42 |
Correct |
49 ms |
21492 KB |
Output is correct |
| 43 |
Correct |
44 ms |
20412 KB |
Output is correct |
| 44 |
Correct |
58 ms |
24360 KB |
Output is correct |
| 45 |
Correct |
47 ms |
20472 KB |
Output is correct |
| 46 |
Correct |
44 ms |
20572 KB |
Output is correct |
| 47 |
Correct |
51 ms |
24700 KB |
Output is correct |
| 48 |
Correct |
51 ms |
24696 KB |
Output is correct |
| 49 |
Correct |
323 ms |
24568 KB |
Output is correct |
| 50 |
Correct |
315 ms |
24440 KB |
Output is correct |
| 51 |
Correct |
173 ms |
31380 KB |
Output is correct |
| 52 |
Correct |
151 ms |
30780 KB |
Output is correct |
| 53 |
Correct |
383 ms |
22776 KB |
Output is correct |
| 54 |
Correct |
135 ms |
23288 KB |
Output is correct |
| 55 |
Correct |
121 ms |
21556 KB |
Output is correct |
| 56 |
Correct |
138 ms |
26232 KB |
Output is correct |
| 57 |
Correct |
184 ms |
22264 KB |
Output is correct |
| 58 |
Correct |
151 ms |
22648 KB |
Output is correct |
| 59 |
Correct |
53 ms |
24708 KB |
Output is correct |
