| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1090766 |
2024-09-18T17:38:41 Z |
Tymond |
Saveit (IOI10_saveit) |
C++17 |
|
10000 ms |
262144 KB |
#include "grader.h"
#include "encoder.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif
struct custom_hash {
static uint64_t splitmix64(uint64_t x) {
x += 0x9e3779b97f4a7c15;
x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
return x ^ (x >> 31);
}
size_t operator()(uint64_t x) const {
static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
return splitmix64(x + FIXED_RANDOM);
}
};
const int MAXN = 1e3 + 7;
const int MAXH = 40;
int dist[MAXH][MAXN];
int rep[MAXN];
int parent[MAXN];
vi g[MAXN];
vi gt[MAXN];
int n, h, m;
int Find(int a){
if(a == rep[a]){
return a;
}
return rep[a] = Find(rep[a]);
}
void Union(int a, int b){
rep[Find(a)] = Find(b);
}
void dfs(int v, int p){
parent[v] = p;
for(auto u : g[v]){
if(u == p){
continue;
}
dfs(u, v);
}
}
void countDist(int start){
dist[start][start] = 0;
queue<int> q;
q.push(start);
while(sz(q)){
int v = q.front();
q.pop();
for(auto u : gt[v]){
if(u == start){
continue;
}
if(dist[start][u] == 0){
dist[start][u] = dist[start][v] + 1;
q.push(u);
}
}
}
}
void encode(int nv, int nh, int ne, int *v1, int *v2){
n = nv;
h = nh;
m = ne;
for(int i = 0; i < n; i++){
rep[i] = i;
}
for(int i = 0; i < m; i++){
if(Find(v1[i]) != Find(v2[i])){
g[v1[i]].pb(v2[i]);
g[v2[i]].pb(v1[i]);
Union(v1[i], v2[i]);
}
gt[v1[i]].pb(v2[i]);
gt[v2[i]].pb(v1[i]);
}
dfs(0, 0);
for(int i = 1; i < n; i++){
for(int y = 0; y < 10; y++){
if(parent[i] & (1 << y)){
encode_bit(1);
}else{
encode_bit(0);
}
}
}
for(int i = 0; i < h; i++){
countDist(i);
}
for(int j = 0; j < h; j++){
for(int i = 0; i < n; i++){
if(i + 2 >= n){
if(dist[j][i] == dist[j][parent[i]]){
encode_bit(0);
encode_bit(0);
}else if(dist[j][i] == dist[j][parent[i]] - 1){
encode_bit(0);
encode_bit(1);
}else{
encode_bit(1);
encode_bit(1);
}
continue;
}
int r = 0;
for(int y = i; y <= i + 2; y++){
r = r * 3 + (dist[j][i] - dist[j][parent[i]] + 1);
}
for(int y = 0; y < 5; y++){
if((1 << y) & r){
encode_bit(1);
}else{
encode_bit(0);
}
}
i += 2;
}
}
return;
}
#include "grader.h"
#include "decoder.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif
struct custom_hash {
static uint64_t splitmix64(uint64_t x) {
x += 0x9e3779b97f4a7c15;
x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
return x ^ (x >> 31);
}
size_t operator()(uint64_t x) const {
static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
return splitmix64(x + FIXED_RANDOM);
}
};
const int MAXN = 1e3 + 7;
const int MAXH = 40;
int dist[MAXH][MAXN];
int parent[MAXN];
vi g[MAXN];
int n, h;
void countDist(int start){
dist[start][start] = 0;
queue<int> q;
q.push(start);
while(sz(q)){
int v = q.front();
q.pop();
for(auto u : g[v]){
if(u == start){
continue;
}
if(dist[start][u] == 0){
dist[start][u] = dist[start][v] + 1;
q.push(u);
}
}
}
}
void decode(int nv, int nh) {
n = nv;
h = nh;
for(int i = 1; i < n; i++){
for(int y = 0; y < 10; y++){
if(decode_bit()){
parent[i] += (1 << y);
}
}
g[i].pb(parent[i]);
g[parent[i]].pb(i);
}
for(int i = 0; i < n; i++){
sort(all(g[i]));
}
for(int i = 0; i < h; i++){
countDist(i);
}
for(int j = 0; j < h; j++){
vi vec(n, 0);
for(int i = 0; i < n; i++){
if(i + 2 >= n){
int x = decode_bit();
int y = decode_bit();
if(x == 0){
vec[i] = -y;
}else{
vec[i] = 1;
}
continue;
}
int r = 0;
for(int y = 0; y < 5; y++){
r += (decode_bit() * (1 << y));
}
for(int y = i + 2; y >= i; y--){
vec[y] = (r % 3) - 1;
r /= 3;
}
i += 2;
}
queue<int> q;
q.push(j);
for(int i = 0; i < n; i++){
dist[j][i] = -1;
}
dist[j][j] = 0;
while(sz(q)){
int v = q.front();
q.pop();
for(auto u : g[v]){
if(u == parent[v] && dist[j][u] == -1){
dist[j][u] = dist[j][v] - vec[v];
q.push(u);
}
if(dist[j][u] == -1 && u != parent[v]){
dist[j][u] = dist[j][v] + vec[u];
q.push(u);
}
}
}
}
for(int i = 0; i < h; i++){
for(int j = 0; j < n; j++){
hops(i, j, dist[i][j]);
}
}
return;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
922 ms |
262144 KB |
Execution killed with signal 9 |
| 2 |
Incorrect |
2 ms |
4616 KB |
Output isn't correct |
| 3 |
Execution timed out |
10005 ms |
5904 KB |
Time limit exceeded |
| 4 |
Incorrect |
3 ms |
4616 KB |
Output isn't correct |
| 5 |
Runtime error |
575 ms |
262144 KB |
Execution killed with signal 9 |
| 6 |
Runtime error |
387 ms |
262144 KB |
Execution killed with signal 9 |
| 7 |
Runtime error |
335 ms |
262144 KB |
Execution killed with signal 9 |
| 8 |
Execution timed out |
10102 ms |
5992 KB |
Time limit exceeded |
| 9 |
Execution timed out |
10097 ms |
5908 KB |
Time limit exceeded |
| 10 |
Runtime error |
1267 ms |
262144 KB |
Execution killed with signal 9 |
| 11 |
Runtime error |
899 ms |
262144 KB |
Execution killed with signal 9 |
| 12 |
Execution timed out |
10095 ms |
5904 KB |
Time limit exceeded |
| 13 |
Runtime error |
1047 ms |
262144 KB |
Execution killed with signal 9 |
| 14 |
Execution timed out |
10002 ms |
5904 KB |
Time limit exceeded |
| 15 |
Execution timed out |
10097 ms |
5888 KB |
Time limit exceeded |
| 16 |
Execution timed out |
10099 ms |
6404 KB |
Time limit exceeded |
| 17 |
Execution timed out |
10006 ms |
6392 KB |
Time limit exceeded |
| 18 |
Runtime error |
670 ms |
262144 KB |
Execution killed with signal 9 |
| 19 |
Runtime error |
397 ms |
262144 KB |
Execution killed with signal 9 |
| 20 |
Runtime error |
400 ms |
262144 KB |
Execution killed with signal 9 |
| 21 |
Runtime error |
764 ms |
262144 KB |
Execution killed with signal 9 |
| 22 |
Execution timed out |
10014 ms |
6668 KB |
Time limit exceeded |
| 23 |
Execution timed out |
10078 ms |
7080 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
922 ms |
262144 KB |
Execution killed with signal 9 |
| 2 |
Incorrect |
2 ms |
4616 KB |
Output isn't correct |
| 3 |
Execution timed out |
10005 ms |
5904 KB |
Time limit exceeded |
| 4 |
Incorrect |
3 ms |
4616 KB |
Output isn't correct |
| 5 |
Runtime error |
575 ms |
262144 KB |
Execution killed with signal 9 |
| 6 |
Runtime error |
387 ms |
262144 KB |
Execution killed with signal 9 |
| 7 |
Runtime error |
335 ms |
262144 KB |
Execution killed with signal 9 |
| 8 |
Execution timed out |
10102 ms |
5992 KB |
Time limit exceeded |
| 9 |
Execution timed out |
10097 ms |
5908 KB |
Time limit exceeded |
| 10 |
Runtime error |
1267 ms |
262144 KB |
Execution killed with signal 9 |
| 11 |
Runtime error |
899 ms |
262144 KB |
Execution killed with signal 9 |
| 12 |
Execution timed out |
10095 ms |
5904 KB |
Time limit exceeded |
| 13 |
Runtime error |
1047 ms |
262144 KB |
Execution killed with signal 9 |
| 14 |
Execution timed out |
10002 ms |
5904 KB |
Time limit exceeded |
| 15 |
Execution timed out |
10097 ms |
5888 KB |
Time limit exceeded |
| 16 |
Execution timed out |
10099 ms |
6404 KB |
Time limit exceeded |
| 17 |
Execution timed out |
10006 ms |
6392 KB |
Time limit exceeded |
| 18 |
Runtime error |
670 ms |
262144 KB |
Execution killed with signal 9 |
| 19 |
Runtime error |
397 ms |
262144 KB |
Execution killed with signal 9 |
| 20 |
Runtime error |
400 ms |
262144 KB |
Execution killed with signal 9 |
| 21 |
Runtime error |
764 ms |
262144 KB |
Execution killed with signal 9 |
| 22 |
Execution timed out |
10014 ms |
6668 KB |
Time limit exceeded |
| 23 |
Execution timed out |
10078 ms |
7080 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
922 ms |
262144 KB |
Execution killed with signal 9 |
| 2 |
Incorrect |
2 ms |
4616 KB |
Output isn't correct |
| 3 |
Execution timed out |
10005 ms |
5904 KB |
Time limit exceeded |
| 4 |
Incorrect |
3 ms |
4616 KB |
Output isn't correct |
| 5 |
Runtime error |
575 ms |
262144 KB |
Execution killed with signal 9 |
| 6 |
Runtime error |
387 ms |
262144 KB |
Execution killed with signal 9 |
| 7 |
Runtime error |
335 ms |
262144 KB |
Execution killed with signal 9 |
| 8 |
Execution timed out |
10102 ms |
5992 KB |
Time limit exceeded |
| 9 |
Execution timed out |
10097 ms |
5908 KB |
Time limit exceeded |
| 10 |
Runtime error |
1267 ms |
262144 KB |
Execution killed with signal 9 |
| 11 |
Runtime error |
899 ms |
262144 KB |
Execution killed with signal 9 |
| 12 |
Execution timed out |
10095 ms |
5904 KB |
Time limit exceeded |
| 13 |
Runtime error |
1047 ms |
262144 KB |
Execution killed with signal 9 |
| 14 |
Execution timed out |
10002 ms |
5904 KB |
Time limit exceeded |
| 15 |
Execution timed out |
10097 ms |
5888 KB |
Time limit exceeded |
| 16 |
Execution timed out |
10099 ms |
6404 KB |
Time limit exceeded |
| 17 |
Execution timed out |
10006 ms |
6392 KB |
Time limit exceeded |
| 18 |
Runtime error |
670 ms |
262144 KB |
Execution killed with signal 9 |
| 19 |
Runtime error |
397 ms |
262144 KB |
Execution killed with signal 9 |
| 20 |
Runtime error |
400 ms |
262144 KB |
Execution killed with signal 9 |
| 21 |
Runtime error |
764 ms |
262144 KB |
Execution killed with signal 9 |
| 22 |
Execution timed out |
10014 ms |
6668 KB |
Time limit exceeded |
| 23 |
Execution timed out |
10078 ms |
7080 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
922 ms |
262144 KB |
Execution killed with signal 9 |
| 2 |
Incorrect |
2 ms |
4616 KB |
Output isn't correct |
| 3 |
Execution timed out |
10005 ms |
5904 KB |
Time limit exceeded |
| 4 |
Incorrect |
3 ms |
4616 KB |
Output isn't correct |
| 5 |
Runtime error |
575 ms |
262144 KB |
Execution killed with signal 9 |
| 6 |
Runtime error |
387 ms |
262144 KB |
Execution killed with signal 9 |
| 7 |
Runtime error |
335 ms |
262144 KB |
Execution killed with signal 9 |
| 8 |
Execution timed out |
10102 ms |
5992 KB |
Time limit exceeded |
| 9 |
Execution timed out |
10097 ms |
5908 KB |
Time limit exceeded |
| 10 |
Runtime error |
1267 ms |
262144 KB |
Execution killed with signal 9 |
| 11 |
Runtime error |
899 ms |
262144 KB |
Execution killed with signal 9 |
| 12 |
Execution timed out |
10095 ms |
5904 KB |
Time limit exceeded |
| 13 |
Runtime error |
1047 ms |
262144 KB |
Execution killed with signal 9 |
| 14 |
Execution timed out |
10002 ms |
5904 KB |
Time limit exceeded |
| 15 |
Execution timed out |
10097 ms |
5888 KB |
Time limit exceeded |
| 16 |
Execution timed out |
10099 ms |
6404 KB |
Time limit exceeded |
| 17 |
Execution timed out |
10006 ms |
6392 KB |
Time limit exceeded |
| 18 |
Runtime error |
670 ms |
262144 KB |
Execution killed with signal 9 |
| 19 |
Runtime error |
397 ms |
262144 KB |
Execution killed with signal 9 |
| 20 |
Runtime error |
400 ms |
262144 KB |
Execution killed with signal 9 |
| 21 |
Runtime error |
764 ms |
262144 KB |
Execution killed with signal 9 |
| 22 |
Execution timed out |
10014 ms |
6668 KB |
Time limit exceeded |
| 23 |
Execution timed out |
10078 ms |
7080 KB |
Time limit exceeded |
