| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 846804 |
2023-09-08T13:18:49 Z |
12345678 |
Horses (IOI15_horses) |
C++17 |
|
175 ms |
54356 KB |
#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll nx=5e5+5, mod=1e9+7, mx=(ll)INT_MAX+1;
int n;
vector<ll> x, y;
struct segtree
{
struct node
{
ll pre, suf, sm, ans, p;
} d[4*nx];
ll a[nx], b[nx];
void update(int l, int r, int i, int idx, ll vx, ll vy)
{
if (r<idx||idx<l) return;
if (l==r)
{
d[i].ans=(vx*vy)%mod;
d[i].pre=d[i].sm=vx;
d[i].suf=1; d[i].p=vy;
return;
}
int md=(l+r)/2;
update(l, md, 2*i, idx, vx, vy);
update(md+1, r, 2*i+1, idx, vx, vy);
if (d[2*i].p<min(d[2*i].suf*d[2*i+1].pre, mx)*d[2*i+1].p)
{
d[i].ans=(d[2*i].sm*d[2*i+1].ans)%mod;
d[i].pre=min(d[2*i].sm*d[2*i+1].pre, mx);
d[i].sm=min(d[2*i].sm*d[2*i+1].sm, mx);
d[i].suf=d[2*i+1].suf;
d[i].p=d[2*i+1].p;
}
else
{
d[i].ans=d[2*i].ans;
d[i].pre=d[2*i].pre;
d[i].sm=min(d[2*i].sm*d[2*i+1].sm, mx);
d[i].suf=min(d[2*i].suf*d[2*i+1].sm, mx);
d[i].p=d[2*i].p;
}
}
} s;
int init(int N, int X[], int Y[]) {
n=N;
x.resize(N+1); y.resize(N+1);
for (int i=1; i<=N; i++) s.update(1, n, 1, i, X[i-1], Y[i-1]), x[i]=X[i-1], y[i]=Y[i-1];
return s.d[1].ans;
}
int updateX(int pos, int val) {
x[pos+1]=val;
s.update(1, n, 1, pos+1, x[pos+1], y[pos+1]);
return s.d[1].ans;
}
int updateY(int pos, int val) {
y[pos+1]=val;
s.update(1, n, 1, pos+1, x[pos+1], y[pos+1]);
return s.d[1].ans;
}
Compilation message
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:55:16: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
55 | return s.d[1].ans;
| ~~~~~~~^~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:61:16: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
61 | return s.d[1].ans;
| ~~~~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:67:16: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
67 | return s.d[1].ans;
| ~~~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
432 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
500 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 23 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
175 ms |
54356 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
356 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 23 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 23 |
Halted |
0 ms |
0 KB |
- |
