QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #379238 | #8566. Can We Still Qualify For Semifinals? | ucup-team206# | AC ✓ | 1ms | 3828kb | C++17 | 1.7kb | 2024-04-06 16:43:24 | 2024-04-06 16:43:27 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define FOR(i,s,t) for(int i=(s),_t=(t); i<=_t; ++i)
#define DOR(i,s,t) for(int i=(s),_t=(t); i>=_t; --i)
pair<int,int> a[46];
int id[11];
int b[11];
bool ans;
void dfs(int p) {
if(ans) return ;
if(p>45) {
int c=0;
FOR(i,2,10) if(b[i]>b[1]) ++c;
if(c<4) ans=1;
return ;
}
if(a[p].first==1) {
dfs(p+1);
return ;
}
if(b[a[p].first]>b[1] || b[a[p].second]>b[1]) {
dfs(p+1);
return ;
}
if(b[a[p].first]<b[a[p].second]) {
b[a[p].first]++;
dfs(p+1);
b[a[p].first]--;
b[a[p].second]++;
dfs(p+1);
b[a[p].second]--;
} else {
b[a[p].second]++;
dfs(p+1);
b[a[p].second]--;
b[a[p].first]++;
dfs(p+1);
b[a[p].first]--;
return ;
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
FOR(i,1,10) id[i]=i;
FOR(i,0,8) {
FOR(j,1,5) {
a[i*5+j]={id[j],id[11-j]};
}
int p=id[10];
DOR(j,10,3) id[j]=id[j-1];
id[2]=p;
}
int T;
cin >> T;
while(T--) {
int k;
cin >> k;
string s;
cin >> s;
FOR(i,1,10) b[i]=0;
FOR(i,1,k) {
if(s[i-1]=='1') {
b[a[i].first]++;
} else {
b[a[i].second]++;
}
}
FOR(i,k+1,45) {
if(a[i].first==1) {
b[1]++;
}
}
// cerr << b[1] << endl;
ans=0;
dfs(k+1);
cout << (ans?"YES":"NO") << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3828kb
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: 3784kb
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: 3584kb
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: 3628kb
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: 3540kb
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: 3784kb
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: 3548kb
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: 0ms
memory: 3484kb
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: 3544kb
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: 3624kb
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