# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
965650 |
2024-04-19T03:36:14 Z |
fzyzzz_z |
Saveit (IOI10_saveit) |
C++17 |
|
340 ms |
19784 KB |
#include <bits/stdc++.h>
using namespace std;
#include "grader.h"
#include "encoder.h"
// vector<int> bits;
// void encode_bit(int x) { bits.push_back(x); }
void encode(int n, int nh, int ne, int *v1, int *v2){
int g[n][n];
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
g[i][j] = 0;
}
}
for (int i = 0; i < ne; ++i) {
g[v1[i]][v2[i]] = g[v2[i]][v1[i]] = 1;
}
int inf = 1e9;
int d[nh][n];
string ans = "";
vector<int> ord(nh);
for (int i = 0; i < nh; ++i) ord[i] = i;
for (int t = 0; t < 10; ++t) {
string res = "";
random_shuffle(ord.begin(), ord.end());
for (int i = 0; i < nh; ++i) {
for (int j = 0; j < n; ++j) {
d[i][j] = inf;
}
}
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
g[i][j] &= 1;
}
}
for (int i: ord) {
vector<int> c(1, i);
d[i][i] = 0;
for (int cd = 0; cd < n; ++cd) {
vector<int> nc;
for (auto x: c) {
for (int y = 0; y < n; ++y) {
if (d[i][y] == inf && g[x][y] == 2) {
d[i][y] = cd + 1;
nc.push_back(y);
}
}
}
for (auto x: c) {
for (int y = 0; y < n; ++y) {
if (d[i][y] == inf && g[x][y] == 1) {
d[i][y] = cd + 1;
g[x][y] = g[y][x] = 2;
nc.push_back(y);
}
}
}
c = nc;
}
}
for (int i = 0; i < n; ++i) {
int c = 0;
for (int j = i + 1; j < n; ++j) {
c += g[i][j] == 2;
}
if (n < c * 11) {
// encode_bit(0);
res += '0';
for (int j = i + 1; j < n; ++j) {
// encode_bit(g[i][j] == 2);
res += '0' + (g[i][j] == 2);
}
} else {
// encode_bit(1);
res += '1';
int mx = 0;
for (int j = i + 1; j < n; ++j) if (g[i][j] == 2) mx = j;
for (int j = i + 1; j < n; ++j) {
if (g[i][j] != 2) continue;
// encode_bit(1);
res += '1';
for (int b = 0; b < 10; ++b) {
// encode_bit(((1 << b) & j) >> b);
res += '0'+ (((1 << b) & j) >> b);
}
}
// encode_bit(0);
res += '0';
}
}
if (res.size() < ans.size() || ans.size() == 0) ans = res;
}
for (auto x: ans) encode_bit(x != '0');
return;
}
// int main() {
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
// int n, k, p;
// cin >> n >> k >> p;
// int a[p], b[p];
// for (int i = 0; i < p; ++i) cin >> a[i] >> b[i];
// encode(n, k, p, a, b);
// for (int i = 0; i < bits.size(); ++i) cout << bits[i];
// cout << '\n';
// return 0;
// }
#include "grader.h"
#include "decoder.h"
#include <bits/stdc++.h>
using namespace std;
// string ss;
// int decode_bit() { char c = ss.back(); ss.pop_back(); return c != '0'; }
// void hops(int k, int i, int d) {
// cout << k << ' ' << i << ' ' << d << '\n';
// }
void decode(int n, int nh) {
int g[n][n];
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
g[i][j] = 0;
}
}
for (int i = 0; i < n; ++i) {
int t = decode_bit();
if (t == 0) {
for (int j = i + 1; j < n; ++j) {
if (decode_bit()) {
g[i][j] = g[j][i] = 1;
// cout << "! " << i << ' ' << j << '\n';
}
}
} else {
while (decode_bit()) {
int x = 0;
for (int b = 0; b < 10; ++b) {
x += (decode_bit() << b);
}
g[i][x] = g[x][i] = 1;
// cout << "! " << i << ' ' << x << '\n';
}
}
}
for (int k = 0; k < nh; ++k) {
vector<int> d(n, 1e9);
d[k] = 0;
queue<int> q;
q.push(k);
while (!q.empty()) {
auto x = q.front();
q.pop();
for (int y = 0; y < n; ++y) {
if (y != x && d[y] > n && g[x][y]) {
d[y] = d[x] + 1;
q.push(y);
}
}
}
for (int i = 0; i < n; ++i) {
hops(k, i, d[i]);
}
}
}
// int main() {
// ios_base::sync_with_stdio(false);
// cin.tie(0);
// int n, k;
// cin >> n >> k;
// cin >> ss;
// reverse(ss.begin(), ss.end());
// decode(n, k);
// return 0;
// }
Compilation message
encoder.cpp: In function 'void encode(int, int, int, int*, int*)':
encoder.cpp:85:9: warning: variable 'mx' set but not used [-Wunused-but-set-variable]
85 | int mx = 0;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
340 ms |
16668 KB |
wrong parameter |
2 |
Incorrect |
3 ms |
4620 KB |
wrong parameter |
3 |
Incorrect |
177 ms |
11300 KB |
wrong parameter |
4 |
Incorrect |
3 ms |
4624 KB |
wrong parameter |
5 |
Incorrect |
178 ms |
11860 KB |
wrong parameter |
6 |
Incorrect |
230 ms |
13344 KB |
wrong parameter |
7 |
Incorrect |
228 ms |
13540 KB |
wrong parameter |
8 |
Incorrect |
204 ms |
12160 KB |
wrong parameter |
9 |
Incorrect |
224 ms |
12944 KB |
wrong parameter |
10 |
Incorrect |
222 ms |
13196 KB |
wrong parameter |
11 |
Incorrect |
224 ms |
12772 KB |
wrong parameter |
12 |
Incorrect |
228 ms |
15020 KB |
wrong parameter |
13 |
Incorrect |
240 ms |
19784 KB |
wrong parameter |
14 |
Incorrect |
226 ms |
14732 KB |
wrong parameter |
15 |
Incorrect |
227 ms |
13216 KB |
wrong parameter |
16 |
Incorrect |
240 ms |
15076 KB |
wrong parameter |
17 |
Incorrect |
237 ms |
17356 KB |
wrong parameter |
18 |
Incorrect |
241 ms |
13592 KB |
wrong parameter |
19 |
Incorrect |
227 ms |
15376 KB |
wrong parameter |
20 |
Incorrect |
247 ms |
13056 KB |
wrong parameter |
21 |
Incorrect |
248 ms |
13280 KB |
wrong parameter |
22 |
Incorrect |
241 ms |
13432 KB |
wrong parameter |
23 |
Incorrect |
258 ms |
13716 KB |
wrong parameter |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
340 ms |
16668 KB |
wrong parameter |
2 |
Incorrect |
3 ms |
4620 KB |
wrong parameter |
3 |
Incorrect |
177 ms |
11300 KB |
wrong parameter |
4 |
Incorrect |
3 ms |
4624 KB |
wrong parameter |
5 |
Incorrect |
178 ms |
11860 KB |
wrong parameter |
6 |
Incorrect |
230 ms |
13344 KB |
wrong parameter |
7 |
Incorrect |
228 ms |
13540 KB |
wrong parameter |
8 |
Incorrect |
204 ms |
12160 KB |
wrong parameter |
9 |
Incorrect |
224 ms |
12944 KB |
wrong parameter |
10 |
Incorrect |
222 ms |
13196 KB |
wrong parameter |
11 |
Incorrect |
224 ms |
12772 KB |
wrong parameter |
12 |
Incorrect |
228 ms |
15020 KB |
wrong parameter |
13 |
Incorrect |
240 ms |
19784 KB |
wrong parameter |
14 |
Incorrect |
226 ms |
14732 KB |
wrong parameter |
15 |
Incorrect |
227 ms |
13216 KB |
wrong parameter |
16 |
Incorrect |
240 ms |
15076 KB |
wrong parameter |
17 |
Incorrect |
237 ms |
17356 KB |
wrong parameter |
18 |
Incorrect |
241 ms |
13592 KB |
wrong parameter |
19 |
Incorrect |
227 ms |
15376 KB |
wrong parameter |
20 |
Incorrect |
247 ms |
13056 KB |
wrong parameter |
21 |
Incorrect |
248 ms |
13280 KB |
wrong parameter |
22 |
Incorrect |
241 ms |
13432 KB |
wrong parameter |
23 |
Incorrect |
258 ms |
13716 KB |
wrong parameter |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
340 ms |
16668 KB |
wrong parameter |
2 |
Incorrect |
3 ms |
4620 KB |
wrong parameter |
3 |
Incorrect |
177 ms |
11300 KB |
wrong parameter |
4 |
Incorrect |
3 ms |
4624 KB |
wrong parameter |
5 |
Incorrect |
178 ms |
11860 KB |
wrong parameter |
6 |
Incorrect |
230 ms |
13344 KB |
wrong parameter |
7 |
Incorrect |
228 ms |
13540 KB |
wrong parameter |
8 |
Incorrect |
204 ms |
12160 KB |
wrong parameter |
9 |
Incorrect |
224 ms |
12944 KB |
wrong parameter |
10 |
Incorrect |
222 ms |
13196 KB |
wrong parameter |
11 |
Incorrect |
224 ms |
12772 KB |
wrong parameter |
12 |
Incorrect |
228 ms |
15020 KB |
wrong parameter |
13 |
Incorrect |
240 ms |
19784 KB |
wrong parameter |
14 |
Incorrect |
226 ms |
14732 KB |
wrong parameter |
15 |
Incorrect |
227 ms |
13216 KB |
wrong parameter |
16 |
Incorrect |
240 ms |
15076 KB |
wrong parameter |
17 |
Incorrect |
237 ms |
17356 KB |
wrong parameter |
18 |
Incorrect |
241 ms |
13592 KB |
wrong parameter |
19 |
Incorrect |
227 ms |
15376 KB |
wrong parameter |
20 |
Incorrect |
247 ms |
13056 KB |
wrong parameter |
21 |
Incorrect |
248 ms |
13280 KB |
wrong parameter |
22 |
Incorrect |
241 ms |
13432 KB |
wrong parameter |
23 |
Incorrect |
258 ms |
13716 KB |
wrong parameter |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
340 ms |
16668 KB |
wrong parameter |
2 |
Incorrect |
3 ms |
4620 KB |
wrong parameter |
3 |
Incorrect |
177 ms |
11300 KB |
wrong parameter |
4 |
Incorrect |
3 ms |
4624 KB |
wrong parameter |
5 |
Incorrect |
178 ms |
11860 KB |
wrong parameter |
6 |
Incorrect |
230 ms |
13344 KB |
wrong parameter |
7 |
Incorrect |
228 ms |
13540 KB |
wrong parameter |
8 |
Incorrect |
204 ms |
12160 KB |
wrong parameter |
9 |
Incorrect |
224 ms |
12944 KB |
wrong parameter |
10 |
Incorrect |
222 ms |
13196 KB |
wrong parameter |
11 |
Incorrect |
224 ms |
12772 KB |
wrong parameter |
12 |
Incorrect |
228 ms |
15020 KB |
wrong parameter |
13 |
Incorrect |
240 ms |
19784 KB |
wrong parameter |
14 |
Incorrect |
226 ms |
14732 KB |
wrong parameter |
15 |
Incorrect |
227 ms |
13216 KB |
wrong parameter |
16 |
Incorrect |
240 ms |
15076 KB |
wrong parameter |
17 |
Incorrect |
237 ms |
17356 KB |
wrong parameter |
18 |
Incorrect |
241 ms |
13592 KB |
wrong parameter |
19 |
Incorrect |
227 ms |
15376 KB |
wrong parameter |
20 |
Incorrect |
247 ms |
13056 KB |
wrong parameter |
21 |
Incorrect |
248 ms |
13280 KB |
wrong parameter |
22 |
Incorrect |
241 ms |
13432 KB |
wrong parameter |
23 |
Incorrect |
258 ms |
13716 KB |
wrong parameter |