# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
137721 |
2019-07-28T09:07:28 Z |
임유진(#3281) |
Bitwise (BOI06_bitwise) |
C++14 |
|
2 ms |
380 KB |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 105;
int main() {
ios::sync_with_stdio(0);
int N, P;
int K[MAXN], A[MAXN], B[MAXN];
int sum[MAXN];
bool all[MAXN];
cin >> N >> P;
for(int i = 0; i < P; i++) cin >> K[i];
for(int i = 0; i < N; i++) cin >> A[i] >> B[i];
sum[0] = 0;
for(int i = 1; i <= P; i++) sum[i] = sum[i - 1] + K[i - 1];
for(int i = 0; i < P; i++) all[i] = false;
int ans = 0;
for(int i = 30; i >= 0; i--) {
bool b = true;
for(int j = 0; j < P; j++) if(!all[j]) {
int mx = -1;
for(int k = sum[j]; k < sum[j + 1]; k++) if(B[k] >= (1 << i))
if(mx == -1 || A[k] >= (1 << i)) mx = k;
if(mx == -1) {
b = false;
break;
}
else A[mx] = max(A[mx], (1 << i));
}
if(b) ans += (1 << i);
for(int j = 0; j < P; j++) if(!all[j]) for(int k = sum[j]; k < sum[j + 1]; k++)
if(A[k] < (1 << i) - 1 && (1 << i) <= B[k]) all[j] = true;
for(int j = 0; j < P; j++) if(!all[j]) for(int k = sum[j]; k < sum[j + 1]; k++) if(A[k] >= (1 << i)) {
A[k] -= (1 << i);
B[k] -= (1 << i);
}
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
12 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
20 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |