| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 100656 |
2019-03-13T05:39:46 Z |
Pro_ktmr |
None (JOI16_snowy) |
C++14 |
|
19 ms |
1316 KB |
#include"bits/stdc++.h"
using namespace std;
#include"Anyalib.h"
#define MP(a,b) make_pair(a,b)
static int n;
static int par[500];
static int toPar[500];
static int d[500] = {};
static int depth(int i){
if(i == 0) return 0;
if(d[i] != 0) return d[i];
return d[i] = 1 + depth(par[i]);
}
static vector<int> ls;
static int c[500] = {};
static int maxDepth = 0;
static bool dp[500][50];
static bool already[500][50] = {};
static bool solve(int last, int nokori){
if(nokori < 0) return false;
if(maxDepth <= last+10) return true;
if(already[last][nokori]) return dp[last][nokori];
already[last][nokori] = true;
bool re;
for(int i=1; i<=10; i++){
bool tmp = solve(last+i, nokori-c[last+i]);
re |= tmp;
}
return dp[last][nokori] = re;
}
static set<int> v;
static void hukugen(int last, int nokori){
if(maxDepth <= last+10) return;
for(int i=1; i<=10; i++){
if( solve(last+i, nokori-c[last+i]) ){
v.insert(last+i);
break;
}
}
}
void InitAnya(int N, int A[], int B[]){
n = N;
vector<pair<int,int> > tonari[500];
for(int i=0; i<N-1; i++){
tonari[A[i]].push_back(MP(B[i],i));
tonari[B[i]].push_back(MP(A[i],i));
}
par[0] = 0;
toPar[0] = -1;
queue<int> que;
que.push(0);
while(!que.empty()){
int now = que.front();
que.pop();
for(int i=0; i<tonari[now].size(); i++){
if(tonari[now][i].first == par[now]) continue;
par[tonari[now][i].first] = now;
toPar[tonari[now][i].first] = tonari[now][i].second;
que.push(tonari[now][i].first);
}
}
for(int i=0; i<n; i++){
c[depth(i)]++;
maxDepth = max(maxDepth, depth(i));
}
solve(0,49);
v.insert(0);
hukugen(0,49);
for(int i=0; i<n; i++){
if(v.count(depth(i)) == 1) ls.push_back(i);
}
}
//void Save(int place, int bit)
static int C2[500];
static int memo[500];
static int wa(int i){
if(memo[i] != -1) return memo[i];
return memo[i] = wa(par[i]) + C2[toPar[i]];
}
void Anya(int C[]){
for(int i=1; i<n; i++) Save(i, C[toPar[i]]);
for(int i=0; i<n-1; i++) C2[i] = C[i];
for(int i=0; i<n; i++) memo[i] = -1;
memo[0] = 0;
for(int i=0; i<n; i++){
int tmp = wa(i);
if(*lower_bound(ls.begin(), ls.end(), i) == i){
int idx = lower_bound(ls.begin(), ls.end(), i) - ls.begin();
for(int j=0; j<10; j++){
Save(500+idx*10+j, (tmp>>(9-j))%2);
}
}
}
}
#include"bits/stdc++.h"
using namespace std;
#include"Borislib.h"
#define MP(a,b) make_pair(a,b)
static int n;
static int par[500];
static int toPar[500];
static int d[500] = {};
static int depth(int i){
if(i == 0) return 0;
if(d[i] != 0) return d[i];
return d[i] = 1 + depth(par[i]);
}
static vector<int> ls;
static int c[500] = {};
static int maxDepth = 0;
static bool dp[500][50];
static bool already[500][50] = {};
static bool solve(int last, int nokori){
if(nokori < 0) return false;
if(maxDepth <= last+10) return true;
if(already[last][nokori]) return dp[last][nokori];
already[last][nokori] = true;
bool re;
for(int i=1; i<=10; i++){
bool tmp = solve(last+i, nokori-c[last+i]);
re |= tmp;
}
return dp[last][nokori] = re;
}
static set<int> v;
static void hukugen(int last, int nokori){
if(maxDepth <= last+10) return;
for(int i=1; i<=10; i++){
if( solve(last+i, nokori-c[last+i]) ){
v.insert(last+i);
break;
}
}
}
void InitBoris(int N, int A[], int B[]){
n = N;
vector<pair<int,int> > tonari[500];
for(int i=0; i<N-1; i++){
tonari[A[i]].push_back(MP(B[i],i));
tonari[B[i]].push_back(MP(A[i],i));
}
par[0] = 0;
queue<int> que;
que.push(0);
while(!que.empty()){
int now = que.front();
que.pop();
for(int i=0; i<tonari[now].size(); i++){
if(tonari[now][i].first == par[now]) continue;
par[tonari[now][i].first] = now;
toPar[tonari[now][i].first] = tonari[now][i].second;
que.push(tonari[now][i].first);
}
}
for(int i=0; i<n; i++){
c[depth(i)]++;
maxDepth = max(maxDepth, depth(i));
}
solve(0,49);
v.insert(0);
hukugen(0,49);
for(int i=0; i<n; i++){
if(v.count(depth(i)) == 1) ls.push_back(i);
}
}
//Ask(int place)
int Boris(int city){
int ans = 0;
int now = city;
while(*lower_bound(ls.begin(), ls.end(), now) != now){
ans += Ask(now);
now = par[now];
}
int idx = lower_bound(ls.begin(), ls.end(), now) - ls.begin();
for(int i=0; i<10; i++){
ans += Ask(500+idx*10+i)<<(9-i);
}
return ans;
}
Compilation message
Anya.cpp: In function 'void InitAnya(int, int*, int*)':
Anya.cpp:61:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<tonari[now].size(); i++){
~^~~~~~~~~~~~~~~~~~~
Anya.cpp: In function 'bool solve(int, int)':
Anya.cpp:31:6: warning: 're' may be used uninitialized in this function [-Wmaybe-uninitialized]
re |= tmp;
~~~^~~~~~
Boris.cpp: In function 'void InitBoris(int, int*, int*)':
Boris.cpp:58:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<tonari[now].size(); i++){
~^~~~~~~~~~~~~~~~~~~
Boris.cpp: In function 'bool solve(int, int)':
Boris.cpp:30:6: warning: 're' may be used uninitialized in this function [-Wmaybe-uninitialized]
re |= tmp;
~~~^~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
784 KB |
Output is correct |
| 2 |
Correct |
4 ms |
788 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1024 KB |
Output is correct |
| 4 |
Correct |
9 ms |
1024 KB |
Output is correct |
| 5 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 6 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 7 |
Correct |
13 ms |
1280 KB |
Output is correct |
| 8 |
Correct |
12 ms |
1168 KB |
Output is correct |
| 9 |
Incorrect |
7 ms |
1280 KB |
Wrong Answer [6] |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
13 ms |
1044 KB |
Output is correct |
| 2 |
Incorrect |
8 ms |
1280 KB |
Wrong Answer [6] |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
13 ms |
1316 KB |
Wrong Answer [6] |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
19 ms |
1312 KB |
Wrong Answer [6] |
| 2 |
Halted |
0 ms |
0 KB |
- |
