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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#380572#8566. Can We Still Qualify For Semifinals?ucup-team1766#AC ✓279ms3688kbC++171.9kb2024-04-07 06:02:262024-04-07 06:02:27

Judging History

你现在查看的是最新测评结果

  • [2024-04-07 06:02:27]
  • 评测
  • 测评结果:AC
  • 用时:279ms
  • 内存:3688kb
  • [2024-04-07 06:02:26]
  • 提交

answer

#include <bits/stdc++.h>
#define f first
#define s second
#define pii pair<int, int>
#define pb push_back
using namespace std;

int k, a, b, c;
string s;
string str;
bool works;
vector<int> teams;
vector<int> wins;
vector<pii> matches;

void recurse(int ind) {
  if(ind == 45){
    int greater = 0;
    for(int i = 1; i < 10; i++){
      if(wins[0] < wins[i]) greater++;
    }
    if(greater <= 3) works = true;
    //cout << a << " " << b << " " << c << " " << (greater <= 3) << endl;
    return;
  }

  if(str[ind] == '.'){
    recurse(ind+1);
    return;
  }
  
  wins[matches[ind].f]++;
  recurse(ind+1);
  wins[matches[ind].f]--;
  wins[matches[ind].s]++;
  recurse(ind+1);
  wins[matches[ind].s]--;
}

void setup_str(){
  str.clear();
  for(int i  = 0; i < k; i++){
    str.pb('.');
    if(s[i] == '1'){
      wins[matches[i].f]++;
    }else{
      wins[matches[i].s]++;
    }
  }

  for(int i = k; i < 45; i++){
    int x = matches[i].f;
    int y = matches[i].s;
    str.pb('.');
    if (not x or not y) wins[0]++;
    else if (x == a or x == b or x == c) wins[x]++;
    else if (y == a or y == b or y == c) wins[y]++;
    else str[i] = '?';
  }
  /*
  cout << str << endl;
  for(int i = 0; i < 10; i++){
    cout << wins[i] << " ";
  }
  cout << endl;
  */
}

void run() {
	cin >> k >> s;
	works = false;
	
	for (a = 1; a < 10; a++){
	  for (b = 1; b < 10; b++){
	    if (a == b) continue;
	    for (c = 1;c < 10; c++){
	      if(c == a || c== b) continue;
	      wins.assign(10, 0);
	      setup_str();
	      recurse(k);
	      
	    }
	  }
	}
	if(works) cout << "YES" << endl;
	else{
	  cout << "NO" << endl;
	}
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	teams.assign(10, 0);
	iota(teams.begin(),teams.end(),0);
	for(int i = 0; i < 9; i++){
	  for(int j = 0; j < 5; j++){
	    matches.pb({teams[j], teams[9-j]});
	  }
	  rotate(teams.begin()+1,teams.end()-1,teams.end());
	}
	int t; cin >> t; while (t--) run();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 88ms
memory: 3688kb

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: 43ms
memory: 3640kb

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: 2ms
memory: 3564kb

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: 102ms
memory: 3560kb

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: 10ms
memory: 3612kb

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: 20ms
memory: 3636kb

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: 6ms
memory: 3688kb

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: 6ms
memory: 3652kb

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: 7ms
memory: 3632kb

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: 279ms
memory: 3612kb

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