| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1048380 |
2024-08-08T07:10:55 Z |
정민찬(#11037) |
Light Bulbs (EGOI24_lightbulbs) |
C++17 |
|
225 ms |
1500 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
int N;
vector<vector<int>> qry;
void init() {
for (int i=0; i<N; i++) {
for (int j=0; j<N; j++) {
qry[i][j] = 0;
}
}
}
int ask() {
cout << "?\n";
for (int i=0; i<N; i++) {
for (int j=0; j<N; j++) {
cout << qry[i][j];
}
cout << '\n';
}
cout.flush();
int ret;
cin >> ret;
return ret;
}
void answer(vector<vector<int>> &ans) {
cout << "!\n";
for (int i=0; i<N; i++) {
for (int j=0; j<N; j++) {
cout << ans[i][j];
}
cout << '\n';
}
cout.flush();
exit(0);
}
int dnc(int s, int e, int row) {
if (s == e) {
int oth = (s == 0 ? N-1 : 0);
init();
qry[row][s] = 1;
qry[row][oth] = 1;
int ret = ask();
if (ret == 2*N) return -1;
return s;
}
if (s + 1 == e) {
int oth;
for (int i=0; i<3; i++) {
if (i != s && i != e) {
oth = i;
break;
}
}
init();
qry[row][s] = 1;
qry[row][oth] = 1;
int ret1 = ask();
init();
qry[row][e] = 1;
qry[row][oth] = 1;
int ret2 = ask();
if (ret1 < ret2) return s;
if (ret1 > ret2) return e;
if (ret1 == 2 * N) return -1;
return s;
}
int mid = s + e >> 1;
init();
for (int i=s; i<=mid; i++) {
qry[row][i] = 1;
}
int ret = ask();
if (ret == (mid-s+1) * N) {
return dnc(mid+1, e, row);
}
return dnc(s, mid, row);
}
int main() {
ios_base :: sync_with_stdio(false); cin.tie(NULL);
cin >> N;
vector<vector<int>> ans(N, vector<int>(N, 0));
qry.resize(N, vector<int>(N, 0));
for (int i=0; i<N; i++) {
int pos = dnc(0, N-1, i);
if (pos == -1) {
for (int j=0; j<N; j++) {
for (int k=0; k<N; k++) {
ans[j][k] = 0;
}
}
for (int j=0; j<N; j++) {
ans[i][j] = 1;
}
answer(ans);
}
ans[i][pos] = 1;
}
answer(ans);
}
Compilation message
Main.cpp: In function 'int dnc(int, int, int)':
Main.cpp:76:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
76 | int mid = s + e >> 1;
| ~~^~~
Main.cpp:65:21: warning: 'oth' may be used uninitialized in this function [-Wmaybe-uninitialized]
65 | qry[row][oth] = 1;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
352 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
1 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
0 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
344 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
344 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
0 ms |
344 KB |
Output is correct |
| 37 |
Correct |
0 ms |
344 KB |
Output is correct |
| 38 |
Correct |
0 ms |
344 KB |
Output is correct |
| 39 |
Correct |
1 ms |
344 KB |
Output is correct |
| 40 |
Correct |
1 ms |
344 KB |
Output is correct |
| 41 |
Correct |
1 ms |
344 KB |
Output is correct |
| 42 |
Correct |
1 ms |
344 KB |
Output is correct |
| 43 |
Correct |
0 ms |
344 KB |
Output is correct |
| 44 |
Correct |
1 ms |
344 KB |
Output is correct |
| 45 |
Correct |
0 ms |
344 KB |
Output is correct |
| 46 |
Correct |
0 ms |
344 KB |
Output is correct |
| 47 |
Correct |
1 ms |
344 KB |
Output is correct |
| 48 |
Correct |
0 ms |
344 KB |
Output is correct |
| 49 |
Correct |
0 ms |
344 KB |
Output is correct |
| 50 |
Correct |
1 ms |
344 KB |
Output is correct |
| 51 |
Correct |
1 ms |
344 KB |
Output is correct |
| 52 |
Correct |
0 ms |
344 KB |
Output is correct |
| 53 |
Correct |
1 ms |
344 KB |
Output is correct |
| 54 |
Correct |
1 ms |
344 KB |
Output is correct |
| 55 |
Correct |
0 ms |
344 KB |
Output is correct |
| 56 |
Correct |
1 ms |
344 KB |
Output is correct |
| 57 |
Correct |
0 ms |
344 KB |
Output is correct |
| 58 |
Correct |
0 ms |
344 KB |
Output is correct |
| 59 |
Correct |
0 ms |
356 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
344 KB |
Output is correct |
| 29 |
Correct |
0 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
344 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
344 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
0 ms |
344 KB |
Output is correct |
| 37 |
Correct |
0 ms |
344 KB |
Output is correct |
| 38 |
Correct |
0 ms |
344 KB |
Output is correct |
| 39 |
Correct |
1 ms |
344 KB |
Output is correct |
| 40 |
Correct |
0 ms |
344 KB |
Output is correct |
| 41 |
Correct |
0 ms |
344 KB |
Output is correct |
| 42 |
Correct |
1 ms |
344 KB |
Output is correct |
| 43 |
Correct |
0 ms |
344 KB |
Output is correct |
| 44 |
Correct |
0 ms |
344 KB |
Output is correct |
| 45 |
Correct |
1 ms |
344 KB |
Output is correct |
| 46 |
Correct |
0 ms |
344 KB |
Output is correct |
| 47 |
Correct |
1 ms |
344 KB |
Output is correct |
| 48 |
Correct |
0 ms |
344 KB |
Output is correct |
| 49 |
Correct |
0 ms |
344 KB |
Output is correct |
| 50 |
Correct |
0 ms |
344 KB |
Output is correct |
| 51 |
Correct |
1 ms |
344 KB |
Output is correct |
| 52 |
Correct |
0 ms |
344 KB |
Output is correct |
| 53 |
Correct |
0 ms |
344 KB |
Output is correct |
| 54 |
Correct |
1 ms |
344 KB |
Output is correct |
| 55 |
Correct |
1 ms |
344 KB |
Output is correct |
| 56 |
Correct |
1 ms |
344 KB |
Output is correct |
| 57 |
Correct |
1 ms |
344 KB |
Output is correct |
| 58 |
Correct |
0 ms |
344 KB |
Output is correct |
| 59 |
Partially correct |
181 ms |
544 KB |
Partially correct |
| 60 |
Correct |
2 ms |
344 KB |
Output is correct |
| 61 |
Partially correct |
188 ms |
764 KB |
Partially correct |
| 62 |
Partially correct |
207 ms |
540 KB |
Partially correct |
| 63 |
Partially correct |
181 ms |
616 KB |
Partially correct |
| 64 |
Partially correct |
182 ms |
540 KB |
Partially correct |
| 65 |
Partially correct |
209 ms |
620 KB |
Partially correct |
| 66 |
Partially correct |
199 ms |
540 KB |
Partially correct |
| 67 |
Partially correct |
189 ms |
696 KB |
Partially correct |
| 68 |
Partially correct |
200 ms |
1500 KB |
Partially correct |
| 69 |
Partially correct |
194 ms |
552 KB |
Partially correct |
| 70 |
Partially correct |
225 ms |
544 KB |
Partially correct |
| 71 |
Partially correct |
199 ms |
1204 KB |
Partially correct |
| 72 |
Correct |
2 ms |
344 KB |
Output is correct |
| 73 |
Partially correct |
75 ms |
544 KB |
Partially correct |
| 74 |
Partially correct |
125 ms |
548 KB |
Partially correct |
| 75 |
Partially correct |
207 ms |
956 KB |
Partially correct |
| 76 |
Partially correct |
203 ms |
768 KB |
Partially correct |
| 77 |
Partially correct |
176 ms |
540 KB |
Partially correct |
| 78 |
Partially correct |
55 ms |
544 KB |
Partially correct |
| 79 |
Partially correct |
205 ms |
1208 KB |
Partially correct |
| 80 |
Partially correct |
202 ms |
544 KB |
Partially correct |
| 81 |
Partially correct |
191 ms |
728 KB |
Partially correct |
| 82 |
Partially correct |
205 ms |
1224 KB |
Partially correct |
| 83 |
Partially correct |
197 ms |
732 KB |
Partially correct |
| 84 |
Partially correct |
190 ms |
688 KB |
Partially correct |
| 85 |
Partially correct |
201 ms |
656 KB |
Partially correct |
| 86 |
Partially correct |
195 ms |
636 KB |
Partially correct |
| 87 |
Partially correct |
199 ms |
728 KB |
Partially correct |
| 88 |
Partially correct |
202 ms |
764 KB |
Partially correct |
| 89 |
Partially correct |
181 ms |
536 KB |
Partially correct |
| 90 |
Partially correct |
214 ms |
548 KB |
Partially correct |
| 91 |
Partially correct |
205 ms |
1220 KB |
Partially correct |
| 92 |
Partially correct |
213 ms |
544 KB |
Partially correct |
| 93 |
Partially correct |
223 ms |
540 KB |
Partially correct |
| 94 |
Partially correct |
201 ms |
1488 KB |
Partially correct |
| 95 |
Partially correct |
193 ms |
544 KB |
Partially correct |
| 96 |
Partially correct |
215 ms |
544 KB |
Partially correct |
| 97 |
Correct |
0 ms |
344 KB |
Output is correct |
