# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
26924 |
2017-07-07T06:41:00 Z |
wangyenjen |
City (JOI17_city) |
C++14 |
|
502 ms |
56648 KB |
/// Author: Wang, Yen-Jen
#include "Encoder.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
static const int MAX_N = 250000;
static int dfs_clock;
static vector<int> table;
static vector<int> G[MAX_N];
static int lb[MAX_N] , rb[MAX_N];
static void build_table() {
int x = 1;
table.push_back(x);
while((int)table.size() < 243) {
int x2 = x * 1.05;
if(x2 == x) x2++;
table.push_back(x2);
x = x2;
}
}
static void dfs(int u , int fa) {
lb[u] = ++dfs_clock;
for(int v : G[u]) {
if(v != fa) dfs(v , u);
}
dfs_clock = rb[u] = lb[u] + *lower_bound(table.begin() , table.end() , dfs_clock - lb[u]);
}
void Encode(int N , int A[] , int B[]) {
build_table();
for(int i = 0; i < N; i++) G[i].clear();
for(int i = 0; i < N - 1; i++) {
G[A[i]].push_back(B[i]);
G[B[i]].push_back(A[i]);
}
dfs_clock = 0;
dfs(0 , -1);
for(int i = 0; i < N; i++) {
int x = lower_bound(table.begin() , table.end() , rb[i] - lb[i]) - table.begin();
Code(i , (ll)lb[i] * (int)table.size() + x);
}
}
/// Author: Wang, Yen-Jen
#include "Device.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
static const int MAX_N = 250000;
static vector<int> table;
static void build_table() {
int x = 1;
table.push_back(x);
int cnt = 0;
while((int)table.size() < 243) {
int x2 = x * 1.05;
if(x2 == x) x2++;
table.push_back(x2);
x = x2;
}
}
void InitDevice() {
build_table();
}
int Answer(long long S , long long T) {
int sl = S / (int)table.size();
int sr = sl + table[S % (int)table.size()];
int tl = T / (int)table.size();
int tr = tl + table[T % (int)table.size()];
if(tl <= sl && sr <= tr) return 0;
else if(sl <= tl && tr <= sr) return 1;
else return 2;
}
Compilation message
Device.cpp: In function 'void build_table()':
Device.cpp:16:9: warning: unused variable 'cnt' [-Wunused-variable]
int cnt = 0;
^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
12544 KB |
Output is correct |
2 |
Correct |
8 ms |
12544 KB |
Output is correct |
3 |
Correct |
8 ms |
12288 KB |
Output is correct |
4 |
Correct |
7 ms |
12288 KB |
Output is correct |
5 |
Correct |
8 ms |
12288 KB |
Output is correct |
6 |
Correct |
8 ms |
12288 KB |
Output is correct |
7 |
Correct |
9 ms |
12800 KB |
Output is correct |
8 |
Correct |
8 ms |
12544 KB |
Output is correct |
9 |
Correct |
8 ms |
12544 KB |
Output is correct |
10 |
Correct |
8 ms |
12544 KB |
Output is correct |
11 |
Correct |
8 ms |
12544 KB |
Output is correct |
12 |
Correct |
9 ms |
12288 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
170 ms |
19560 KB |
Output is correct - L = 268515 |
2 |
Correct |
168 ms |
19440 KB |
Output is correct - L = 279207 |
3 |
Correct |
169 ms |
19432 KB |
Output is correct - L = 273132 |
4 |
Correct |
167 ms |
19384 KB |
Output is correct - L = 272160 |
5 |
Correct |
500 ms |
55248 KB |
Output is correct - L = 109540998 |
6 |
Correct |
502 ms |
55280 KB |
Output is correct - L = 111611844 |
7 |
Correct |
480 ms |
55120 KB |
Output is correct - L = 112272318 |
8 |
Correct |
477 ms |
54752 KB |
Output is correct - L = 125347176 |
9 |
Incorrect |
408 ms |
56648 KB |
Wrong Answer [6] |
10 |
Halted |
0 ms |
0 KB |
- |