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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#379184 | #8566. Can We Still Qualify For Semifinals? | ucup-team1198# | AC ✓ | 1ms | 3816kb | C++20 | 3.7kb | 2024-04-06 16:31:23 | 2024-04-06 16:31:23 |
Judging History
answer
#include <map>
#include <set>
#include <array>
#include <cmath>
#include <deque>
#include <bitset>
#include <random>
#include <string>
#include <vector>
#include <cassert>
#include <complex>
#include <iomanip>
#include <iostream>
#include <algorithm>
#include <unordered_map>
#include <unordered_set>
using namespace std;
const int MAXN = 100;
vector<int> G[MAXN];
int couple[MAXN];
int used[MAXN];
bool khun(int v, int c) {
if (used[v] == c)
return false;
used[v] = c;
for (int u : G[v]) {
if (couple[u] == -1) {
couple[u] = v;
return true;
}
}
for (int u : G[v]) {
if (khun(couple[u], c)) {
couple[u] = v;
return true;
}
}
return false;
}
void solve() {
int k;
cin >> k;
string s;
cin >> s;
vector<pair<int, int>> games;
vector<int> cur(10);
iota(cur.begin(), cur.end(), 0);
for (int i = 0; i < 9; ++i) {
for (int j = 0; j < 5; ++j)
games.emplace_back(cur[j], cur[9 - j]);
rotate(cur.begin() + 1, cur.begin() + 9, cur.end());
}
vector<int> cur_cnt(10);
for (int i = 0; i < k; ++i) {
if (s[i] == '1')
++cur_cnt[games[i].first];
else
++cur_cnt[games[i].second];
}
vector<int> mx_cnt(10);
for (int i = k; i < 45; ++i) {
if (games[i].first == 0 || games[i].second == 0) {
++cur_cnt[0];
} else {
++mx_cnt[games[i].first];
++mx_cnt[games[i].second];
}
}
vector<int> cur_mx_cnt(10);
for (int a = 1; a < 10; ++a) {
for (int b = a + 1; b < 10; ++b) {
for (int c = b + 1; c < 10; ++c) {
bool ok = true;
for (int i = 0; i < 10; ++i)
cur_mx_cnt[i] = mx_cnt[i];
for (int i = 0; i < 10; ++i) {
if (i != a && i != b && i != c) {
cur_mx_cnt[i] = min(cur_mx_cnt[i], cur_cnt[0] - cur_cnt[i]);
if (cur_mx_cnt[i] < 0)
ok = false;
}
}
if (!ok)
continue;
for (int i = 1; i < 10; ++i)
cur_mx_cnt[i] += cur_mx_cnt[i - 1];
int left_side = 0;
int right_side = cur_mx_cnt.back();
for (int i = k; i < 45; ++i) {
auto [x, y] = games[i];
if (x == 0 || y == 0) {
;
} else {
for (int j = cur_mx_cnt[x - 1]; j < cur_mx_cnt[x]; ++j)
G[left_side].emplace_back(j);
for (int j = cur_mx_cnt[y - 1]; j < cur_mx_cnt[y]; ++j)
G[left_side].emplace_back(j);
++left_side;
}
}
fill(used, used + left_side, -1);
fill(couple, couple + right_side, -1);
for (int i = 0; i < left_side; ++i) {
if (!khun(i, i)) {
ok = false;
break;
}
}
for (int i = 0; i < left_side; ++i) {
G[i].clear();
}
if (ok) {
cout << "YES\n";
return;
}
}
}
}
cout << "NO\n";
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t;
cin >> t;
while (t--) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3492kb
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: 0ms
memory: 3756kb
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: 0
Accepted
time: 0ms
memory: 3708kb
input:
10 37 0110000001010100011101001011100110001 39 000100111101101001100101101000000000100 35 00111000100111100101011010111100100 33 010000010001110010110001101110001 30 000100010100000010010110101010 31 0000101000011010101001010000000 44 00001000000111101011010110000101100011000100 42 01111011110001001...
output:
NO NO NO NO NO NO NO NO NO NO
result:
ok 10 token(s): yes count is 0, no count is 10
Test #4:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
10 23 01100000010101000111010 38 01111001100011000101011110101001101001 27 010000000001001001110001001 26 01101001110011101101000110 8 00001000 22 0110100110001110110001 9 000100010 24 000000100101101010100100 6 011000 29 01101010100101000000000000100
output:
YES NO NO NO YES YES YES YES YES NO
result:
ok 10 token(s): yes count is 6, no count is 4
Test #5:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
10 30 011000000101010001110100101110 29 01001010010011101110010110010 28 0110000000001000101101001001 23 01101001110011101101000 23 01000001000111001011000 24 011110001000010001010000 23 01001011010101001000011 30 000110011001010010000000000010 24 000110111001110011000011 28 000110001000011011110110...
output:
NO NO NO YES YES YES YES NO YES NO
result:
ok 10 token(s): yes count is 5, no count is 5
Test #6:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
10 21 011000000101010001110 21 000110110101001010010 22 0111101101001100101101 24 000000001000101011000101 21 011010011100111011010 20 00110000010001101010 21 010010111100010000100 24 010100000100011010110010 23 00001010000110101010010 25 0000000000001000001101110
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 #7:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
10 26 01100000010101000111010010 26 01101010010100100111011100 26 00110010110100000000010010 27 011100010101110010110101101 30 010100011000001000110101001100 30 011110001000010001010000001001 28 0101100101000010100001101010 26 00101000000000000100000110 28 0110101101010000111000110001 27 00011011110...
output:
NO NO NO NO NO NO NO NO NO NO
result:
ok 10 token(s): yes count is 0, no count is 10
Test #8:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
10 25 0010100010011010111001111 26 01001010100010101010001010 26 01111001110000100111011110 26 10001000100110101110011110 26 10101010100110101110011110 27 110100010101010011010111001 27 101010101001101011100111101 31 1000010001010100110001011011110 37 1000101111000100110000011000000100101 40 1000101...
output:
NO NO NO NO NO NO NO NO NO NO
result:
ok 10 token(s): yes count is 0, no count is 10
Test #9:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
10 26 00001010000000000000000000 26 00000010000000000000000000 26 01101010100010101011011110 26 00011011110111101111011110 27 001100110101011001110111101 27 000110111101111011110111101 28 0110001001000010011101111011 29 01000000010001101000011110111 29 01000000010000101101011110111 30 01000011110111...
output:
YES YES YES YES YES YES YES YES YES NO
result:
ok 10 token(s): yes count is 9, no count is 1
Test #10:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
10 1 0 2 00 10 0001101110 14 00101010000011 20 00000010010100101010 25 0000000101000100100001111 35 01110011010000101010000010010000100 40 0000100110001110101100001001000110000001 44 01011010110010101110011000010001010011100011 45 010010001001010011110111101011011000000100001
output:
YES YES YES YES YES YES NO NO NO NO
result:
ok 10 token(s): yes count is 6, no count is 4
Extra Test:
score: 0
Extra Test Passed