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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#379194 | #8566. Can We Still Qualify For Semifinals? | ucup-team027# | WA | 1027ms | 106364kb | C++23 | 1.7kb | 2024-04-06 16:32:52 | 2024-04-06 16:32:52 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
template <typename T> using min_heap = priority_queue<T, vector<T>, greater<T>>;
vector<vector<int>> ranks;
vector<pair<int, int>> matches;
void init() {
// ok rankings
vector<int> rank(10);
for (int i = 0; i < 10; i++) {
rank[i] = i;
}
do {
if (rank[0] < 4) ranks.push_back(rank);
} while (next_permutation(rank.begin(), rank.end()));
// matches order
sort(rank.begin(), rank.end());
for (int i = 0; i < 9; i++) {
matches.emplace_back(rank[0], rank[9]);
matches.emplace_back(rank[1], rank[8]);
matches.emplace_back(rank[2], rank[7]);
matches.emplace_back(rank[3], rank[6]);
matches.emplace_back(rank[4], rank[5]);
rotate(rank.begin()+1, rank.end()-1, rank.end());
}
}
void solve() {
int k; cin >> k;
string s; cin >> s;
for (auto rank: ranks) {
vector<int> score(10);
for (int i = 0; i < 45; i++) {
auto [x, y] = matches[i];
if (i < k) {
if (s[i] == '1') score[x]++;
else score[y]++;
} else {
if (x == 0 || y == 0) {
score[0]++;
} else {
if (rank[x] < rank[y]) x++;
else y++;
}
}
}
// is top 4?
int top = 0;
for (int i = 1; i < 10; i++) {
if (score[i] > score[0]) top++;
}
if (top > 3) continue;
else {
cout << "YES\n";
return;
}
}
cout << "NO\n";
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
init();
int t; cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 154ms
memory: 106364kb
input:
3 3 111 25 1000010101111111111010100 35 01111011110111101111011110111101111
output:
YES YES NO
result:
ok 3 token(s): yes count is 2, no count is 1
Test #2:
score: 0
Accepted
time: 60ms
memory: 105800kb
input:
10 16 0110000001010100 17 01111000110110101 15 001100010101111 16 0010101010011100 19 0000000100010110100 16 0011101010011100 18 011110010001100000 18 000110101001100011 20 01100010000100100100 15 001000111001101
output:
YES YES YES YES YES YES YES YES YES YES
result:
ok 10 token(s): yes count is 10, no count is 0
Test #3:
score: -100
Wrong Answer
time: 1027ms
memory: 106176kb
input:
10 37 0110000001010100011101001011100110001 39 000100111101101001100101101000000000100 35 00111000100111100101011010111100100 33 010000010001110010110001101110001 30 000100010100000010010110101010 31 0000101000011010101001010000000 44 00001000000111101011010110000101100011000100 42 01111011110001001...
output:
NO NO NO NO YES NO NO NO NO NO
result:
wrong answer expected NO, found YES [5th token]