| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 476568 |
2021-09-27T16:13:43 Z |
AdamGS |
Saveit (IOI10_saveit) |
C++14 |
|
0 ms |
0 KB |
#include "grader.h"
#include "encoder.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(ll a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e3+7, INF=1e9+7;
vector<ll>V[LIM], P;
ll oc[LIM], odw[LIM], odl[LIM], T[LIM];
void DFS(int x) {
P.pb(x);
odw[x]=1;
sort(all(V[x]));
for(auto i : V[x]) if(!odw[i]) {
oc[i]=x;
DFS(i);
}
}
void encode(int n, int h, int m, int *a, int *b) {
rep(i, m) {
V[a[i]].pb(b[i]);
V[b[i]].pb(a[i]);
}
DFS(0);
rep(i, n-1) rep(j, 10) encode_bit((oc[i+1]&(1<<j))>0);
ll akt=1;
rep(i, h) {
rep(j, n) odl[j]=INF;
queue<int>q;
q.push(i);
odl[i]=0;
while(!q.empty()) {
int p=q.front(); q.pop();
for(auto j : V[p]) if(odl[j]>odl[p]+1) {
odl[j]=odl[p]+1;
q.push(j);
}
}
rep(j, 10) encode_bit((odl[0]&(1<<j))>0);
rep(j, P.size()-1) {
int x=odl[P[j+1]]-odl[oc[P[j+1]]]+1;
T[j+1]+=akt*x;
}
akt*=3;
}
rep(i, P.size()-1) {
rep(l, 58) encode_bit((T[i+1]&(1ll<<l))>0);
}
}
#include "grader.h"
#include "decoder.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(ll a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e3+7;
vector<int>V[LIM], P;
ll odw[LIM], oc[LIM], odl[LIM], T[LIM];
void DFS(int x) {
P.pb(x);
odw[x]=1;
sort(all(V[x]));
for(auto i : V[x]) if(!odw[i]) DFS(i);
}
ll wczytaj(ll x) {
ll ans=0;
rep(i, x) {
if(decode_bit()) ans+=1ll<<i
}
return ans;
}
void decode(int n, int h) {
rep(i, n-1) {
int x=wczytaj(10);
oc[i+1]=x;
V[i+1].pb(x);
V[x].pb(i+1);
}
DFS(0);
rep(i, P.size()-1) {
T[i+1]=wczytaj(58);
}
rep(i, h) {
rep(j, n) odl[j]=0;
rep(j, 10) odl[0]=wczytaj(10);
rep(j, P.size()-1) {
ll x=T[j+1]%3; T[j+1]/=3;
--x;
odl[P[j+1]]=odl[oc[P[j+1]]]+x;
}
rep(j, n) hops(i, j, odl[j]);
}
}
Compilation message
encoder.cpp: In function 'void encode(int, int, int, int*, int*)':
encoder.cpp:7:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(a, b) for(ll a = 0; a < (b); ++a)
| ^
encoder.cpp:45:3: note: in expansion of macro 'rep'
45 | rep(j, P.size()-1) {
| ^~~
encoder.cpp:7:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(a, b) for(ll a = 0; a < (b); ++a)
| ^
encoder.cpp:51:2: note: in expansion of macro 'rep'
51 | rep(i, P.size()-1) {
| ^~~
decoder.cpp: In function 'll wczytaj(ll)':
decoder.cpp:24:31: error: expected ';' before '}' token
24 | if(decode_bit()) ans+=1ll<<i
| ^
| ;
25 | }
| ~
decoder.cpp: In function 'void decode(int, int)':
decoder.cpp:7:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(a, b) for(ll a = 0; a < (b); ++a)
| ^
decoder.cpp:36:2: note: in expansion of macro 'rep'
36 | rep(i, P.size()-1) {
| ^~~
decoder.cpp:7:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(a, b) for(ll a = 0; a < (b); ++a)
| ^
decoder.cpp:42:3: note: in expansion of macro 'rep'
42 | rep(j, P.size()-1) {
| ^~~
