# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
14794 |
2015-06-24T07:49:05 Z |
gs14004 |
Parrots (IOI11_parrots) |
C++14 |
|
276 ms |
143456 KB |
#include "encoder.h"
#include "encoderlib.h"
#include <cstring>
using namespace std;
struct bignum{
short arr[100];
void init(char i){
memset(arr,0,sizeof(arr));
arr[0] = i;
}
};
bignum operator+(bignum a, bignum b){
for (int i=0; i<100; i++) {
a.arr[i] += b.arr[i];
if(a.arr[i] >= 256) {
a.arr[i] -= 256;
a.arr[i+1] ++;
}
}
return a;
}
bool operator<(bignum a, bignum b){
for (int i=99; i>=0; i--) {
if(a.arr[i] < b.arr[i]) return 1;
if(a.arr[i] > b.arr[i]) return 0;
}
return 0;
}
bignum bino[600][600];
int precalc;
void encode(int N, int* M){
if(!precalc){
for (int i=0; i<600; i++) {
bino[i][0].init(1);
for (int j=1; j<=i; j++) {
bino[i][j].init(0);
bino[i][j] = bino[i-1][j] + bino[i-1][j-1];
}
for (int j=i+1; j<600; j++) {
bino[i][j].init(0);
}
}
precalc = 1;
}
bignum base, t;
t.init(0);
for (int i=0; i<N; i++) {
t.arr[i] = M[i];
}
base.init(0);
t = t + base;
base.init(0);
int length = 255 + 5 * N;
for(int i=0; i<5*N; i++){
while (t < bino[length-1][5 * N - i] + base) {
length--;
}
send(5 * N + 255 - length - i - 1);
base = base + bino[length-1][5 * N - i];
length--;
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <algorithm>
#include <cstring>
using namespace std;
struct bignum{
short arr[100];
void init(char i){
memset(arr,0,sizeof(arr));
arr[0] = i;
}
};
bignum operator+(bignum a, bignum b){
for (int i=0; i<100; i++) {
a.arr[i] += b.arr[i];
if(a.arr[i] >= 256) {
a.arr[i] -= 256;
a.arr[i+1] ++;
}
}
return a;
}
bool operator<(bignum a, bignum b){
for (int i=99; i>=0; i--) {
if(a.arr[i] < b.arr[i]) return 1;
if(a.arr[i] > b.arr[i]) return 0;
}
return 0;
}
int precalc;
bignum bino[600][600];
void decode(int N, int L, int X[])
{
if(!precalc){
for (int i=0; i<600; i++) {
bino[i][0].init(1);
for (int j=1; j<=i; j++) {
bino[i][j].init(0);
bino[i][j] = bino[i-1][j] + bino[i-1][j-1];
}
for (int j=i+1; j<600; j++) {
bino[i][j].init(0);
}
}
precalc = 1;
}
sort(X,X+L);
bignum ret;
ret.init(0);
for (int i=0; i<L; i++) {
ret = ret + bino[5 * N + 255 - X[i] - i - 2][5 * N - i];
}
for (int i=0; i<N; i++) {
output(ret.arr[i]);
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
247 ms |
141696 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
243 ms |
142792 KB |
Output is correct |
2 |
Correct |
240 ms |
142792 KB |
Output is correct |
3 |
Correct |
246 ms |
143064 KB |
Output is correct |
4 |
Correct |
247 ms |
143064 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
239 ms |
143112 KB |
Output is correct |
2 |
Correct |
237 ms |
143112 KB |
Output is correct |
3 |
Correct |
242 ms |
143112 KB |
Output is correct |
4 |
Correct |
247 ms |
143112 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
143112 KB |
Output is correct |
2 |
Correct |
243 ms |
143112 KB |
Output is correct |
3 |
Correct |
246 ms |
143112 KB |
Output is correct |
4 |
Correct |
276 ms |
143200 KB |
Output is correct |
5 |
Correct |
246 ms |
143328 KB |
Output is correct |
6 |
Correct |
246 ms |
143328 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
237 ms |
143328 KB |
Output is correct - P = 5.000000 |
2 |
Correct |
245 ms |
143328 KB |
Output is correct - P = 5.000000 |
3 |
Correct |
267 ms |
143328 KB |
Output is correct - P = 5.000000 |
4 |
Correct |
255 ms |
143328 KB |
Output is correct - P = 5.000000 |
5 |
Correct |
256 ms |
143328 KB |
Output is correct - P = 5.000000 |
6 |
Correct |
262 ms |
143328 KB |
Output is correct - P = 5.000000 |
7 |
Correct |
255 ms |
143456 KB |
Output is correct - P = 5.000000 |