QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#574587 | #9162. COVID tests | liuziao | 0 | 0ms | 0kb | C++23 | 1.1kb | 2024-09-18 23:05:09 | 2024-09-18 23:05:09 |
answer
#include <cassert>
#include <cstdio>
#include <string>
#include <vector>
int n;
double p;
bool test_students(std::vector<bool> mask) {
assert(mask.size() == (size_t)n);
std::string mask_str(n, ' ');
for (int i = 0; i < n; i++) mask_str[i] = mask[i] ? '1' : '0';
printf("Q %s\n", mask_str.c_str());
fflush(stdout);
char answer;
scanf(" %c", &answer);
return answer == 'p';
}
std::vector<bool> find_positive() {
std::vector<bool> answer(n);
for (int i = 1; i <= n; ++i) {
std::vector<bool> vec;
for (int j = 1; j <= n; ++j)
vec.emplace_back(i == j);
answer.emplace_back(test_students(vec));
}
return answer;
}
int main() {
int T;
scanf("%d %lf %d", &n, &p, &T);
for (int i = 0; i < T; i++) {
std::vector<bool> answer = find_positive();
assert(answer.size() == (size_t)n);
std::string answer_str(n, ' ');
for (int j = 0; j < n; j++) answer_str[j] = answer[j] ? '1' : '0';
printf("A %s\n", answer_str.c_str());
fflush(stdout);
char verdict;
scanf(" %c", &verdict);
if (verdict == 'W') exit(0);
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Runtime Error
Test #1:
score: 0
Runtime Error
input:
1000 0.789673 1 P N P P P P P P N P P N P N P P P P P N P P P P P P N P P P P P P P P P P P P P P P P P P N N N P P P P N P P P P N N P P P N P P P P N P P P P P N N P N P P P P P N P P P P P P P P P P P P P P P P P P N N P N P P P P P P P P N P N P P P N N P P P P P P P P P P P P P P P P P P P P N ...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
Subtask #2:
score: 0
Runtime Error
Test #18:
score: 0
Runtime Error
input:
1000 0.001 300 N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N...
output:
Q 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...