| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 58487 |
2018-07-18T03:05:44 Z |
E869120 |
Horses (IOI15_horses) |
C++14 |
|
32 ms |
16952 KB |
#include "horses.h"
#include <iostream>
using namespace std;
long long N, X[100009], Y[100009], Allval = 0, mod = 1000000007;
long long modpow(long long a, long long b, long long m) {
long long p = 1, q = a;
for (int i = 0; i < 31; i++) {
if ((b&(1LL << i)) != 0) { p *= q; p %= m; }
q *= q; q %= m;
}
return p;
}
long long Div(long long a, long long b, long long m) {
return (1LL * a*modpow(b, m - 2, m)) % m;
}
int solve() {
pair<int, int>maxid = make_pair(0, 1);
long long P = 1;
for (int i = N - 1; i >= 0; i--) {
// Y[i] / P と比べる
if (maxid.first*P < maxid.second * Y[i]) maxid = make_pair(Y[i], P);
P *= X[i]; if (P >= (1LL << 30)) break;
}
long long J = Div(Allval, maxid.second, mod);
J *= maxid.first; J %= mod;
return J;
}
int init(int NN, int XX[], int YY[]) {
N = NN; Allval = 1;
for (int i = 0; i < N; i++) { X[i] = XX[i]; Allval *= X[i]; Allval %= mod; }
for (int i = 0; i < N; i++) Y[i] = YY[i];
return solve();
}
int updateX(int pos, int val) {
Allval = Div(Allval, X[pos], mod);
X[pos] = val;
Allval *= X[pos]; Allval %= mod;
return solve();
}
int updateY(int pos, int val) {
Y[pos] = val;
return solve();
}
Compilation message
horses.cpp: In function 'int solve()':
horses.cpp:24:17: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
for (int i = N - 1; i >= 0; i--) {
~~^~~
horses.cpp:31:9: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return J;
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
464 KB |
Output is correct |
| 3 |
Correct |
2 ms |
464 KB |
Output is correct |
| 4 |
Correct |
2 ms |
488 KB |
Output is correct |
| 5 |
Correct |
2 ms |
488 KB |
Output is correct |
| 6 |
Correct |
3 ms |
488 KB |
Output is correct |
| 7 |
Correct |
2 ms |
488 KB |
Output is correct |
| 8 |
Correct |
2 ms |
488 KB |
Output is correct |
| 9 |
Correct |
2 ms |
524 KB |
Output is correct |
| 10 |
Correct |
2 ms |
536 KB |
Output is correct |
| 11 |
Correct |
2 ms |
536 KB |
Output is correct |
| 12 |
Correct |
2 ms |
536 KB |
Output is correct |
| 13 |
Correct |
2 ms |
536 KB |
Output is correct |
| 14 |
Correct |
2 ms |
540 KB |
Output is correct |
| 15 |
Correct |
3 ms |
596 KB |
Output is correct |
| 16 |
Correct |
3 ms |
604 KB |
Output is correct |
| 17 |
Correct |
3 ms |
604 KB |
Output is correct |
| 18 |
Correct |
2 ms |
604 KB |
Output is correct |
| 19 |
Correct |
3 ms |
604 KB |
Output is correct |
| 20 |
Correct |
2 ms |
604 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
604 KB |
Output is correct |
| 2 |
Correct |
3 ms |
604 KB |
Output is correct |
| 3 |
Correct |
3 ms |
604 KB |
Output is correct |
| 4 |
Correct |
2 ms |
604 KB |
Output is correct |
| 5 |
Correct |
4 ms |
604 KB |
Output is correct |
| 6 |
Correct |
2 ms |
604 KB |
Output is correct |
| 7 |
Correct |
2 ms |
604 KB |
Output is correct |
| 8 |
Correct |
2 ms |
620 KB |
Output is correct |
| 9 |
Correct |
2 ms |
620 KB |
Output is correct |
| 10 |
Correct |
3 ms |
620 KB |
Output is correct |
| 11 |
Correct |
2 ms |
624 KB |
Output is correct |
| 12 |
Correct |
3 ms |
624 KB |
Output is correct |
| 13 |
Correct |
2 ms |
624 KB |
Output is correct |
| 14 |
Correct |
2 ms |
624 KB |
Output is correct |
| 15 |
Correct |
3 ms |
624 KB |
Output is correct |
| 16 |
Correct |
2 ms |
624 KB |
Output is correct |
| 17 |
Correct |
2 ms |
624 KB |
Output is correct |
| 18 |
Correct |
2 ms |
624 KB |
Output is correct |
| 19 |
Correct |
3 ms |
624 KB |
Output is correct |
| 20 |
Correct |
2 ms |
624 KB |
Output is correct |
| 21 |
Correct |
2 ms |
624 KB |
Output is correct |
| 22 |
Correct |
2 ms |
624 KB |
Output is correct |
| 23 |
Correct |
5 ms |
624 KB |
Output is correct |
| 24 |
Correct |
3 ms |
704 KB |
Output is correct |
| 25 |
Correct |
5 ms |
768 KB |
Output is correct |
| 26 |
Correct |
5 ms |
772 KB |
Output is correct |
| 27 |
Correct |
4 ms |
800 KB |
Output is correct |
| 28 |
Correct |
4 ms |
832 KB |
Output is correct |
| 29 |
Correct |
6 ms |
848 KB |
Output is correct |
| 30 |
Correct |
5 ms |
848 KB |
Output is correct |
| 31 |
Correct |
5 ms |
920 KB |
Output is correct |
| 32 |
Correct |
5 ms |
936 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
23 ms |
10384 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 6 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 8 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 11 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 12 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 21 |
Correct |
3 ms |
10384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
10384 KB |
Output is correct |
| 23 |
Correct |
4 ms |
10384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
10384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
10384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
10384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
10384 KB |
Output is correct |
| 28 |
Correct |
5 ms |
10384 KB |
Output is correct |
| 29 |
Correct |
6 ms |
10384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
10384 KB |
Output is correct |
| 31 |
Correct |
6 ms |
10384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
10384 KB |
Output is correct |
| 33 |
Runtime error |
32 ms |
14600 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 34 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 2 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 3 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 4 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 5 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 6 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 7 |
Correct |
4 ms |
14600 KB |
Output is correct |
| 8 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 9 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 10 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 11 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 12 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 13 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 14 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 15 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 16 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 17 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 18 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 19 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 20 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 21 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 22 |
Correct |
2 ms |
14600 KB |
Output is correct |
| 23 |
Correct |
3 ms |
14600 KB |
Output is correct |
| 24 |
Correct |
4 ms |
14600 KB |
Output is correct |
| 25 |
Correct |
4 ms |
14600 KB |
Output is correct |
| 26 |
Correct |
4 ms |
14600 KB |
Output is correct |
| 27 |
Correct |
4 ms |
14600 KB |
Output is correct |
| 28 |
Correct |
5 ms |
14600 KB |
Output is correct |
| 29 |
Correct |
7 ms |
14600 KB |
Output is correct |
| 30 |
Correct |
7 ms |
14600 KB |
Output is correct |
| 31 |
Correct |
6 ms |
14600 KB |
Output is correct |
| 32 |
Correct |
6 ms |
14600 KB |
Output is correct |
| 33 |
Runtime error |
27 ms |
16952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 34 |
Halted |
0 ms |
0 KB |
- |
