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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#388127 | #8566. Can We Still Qualify For Semifinals? | BUET_POTATOES# | WA | 0ms | 3812kb | C++20 | 2.2kb | 2024-04-13 12:39:46 | 2024-04-13 12:39:46 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
vector<pii>matches;
void testcase(int cs){
int k;
cin>>k;
string s;
cin>>s;
// for(auto [u,v] : matches){
// cout<<u<<" - "<<v<<endl;
// }
int n = 10;
vector<int>wins(10);
vector<int>rem(10, 9);
for(int i=0; i<k; i++){
if(s[i]=='1'){
wins[ matches[i].first ]++;
}
else{
wins[ matches[i].second ]++;
}
rem[ matches[i].first ]--;
rem[ matches[i].second ]--;
}
for(int i=k; i<matches.size(); i++){
if(matches[i].first==0){
wins[0]++;
rem[ matches[i].first ]--;
rem[ matches[i].second ]--;
}
}
vector<tuple<int,int,int>>shob(n-1);
for(int i=1; i<n; i++) shob.emplace_back(wins[i], rem[i], i);
sort(shob.rbegin(), shob.rend(), [&](auto bam, auto dan){
auto [w1, rem1, i] = bam;
auto [w2, rem2, j] = dan;
if(w1==w2) return rem1>rem2;
return w1<w2;
} );
vector<int>ordar(n);
int cur = 0;
for(auto [fau1,fau2, idx] : shob){
ordar[idx] = ++cur;
}
for(int i=k; i<matches.size(); i++){
if(matches[i].first!=0){
auto [u,v] = matches[i];
if(ordar[u]<ordar[v]) wins[u]++;
else wins[v]++;
}
}
int bigar = 0;
for(int i=1; i<n; i++) if(wins[i]>wins[0]) bigar++;
if(bigar>=4) cout<<"NO\n";
else cout<<"YES\n";
}
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
vector<int>teams;
for(int i=1; i<=10; i++) teams.push_back(i-1);
for(int i=1; i<=9; i++){
for(int j=0, k=teams.size()-1; j<k; j++, k--){
matches.emplace_back(teams[j], teams[k]);
}
deque<int>tmp;
for(int j=1; j<teams.size(); j++) tmp.push_back(teams[j]);
int x = tmp.back();
tmp.pop_back();
tmp.push_front(x);
for(int j=1, i=0; j<teams.size(); j++, i++) teams[j] = tmp[i];
}
int T = 1;
cin >> T;
for(int cs = 1; cs <= T; ++cs){
testcase(cs);
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3812kb
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: -100
Wrong Answer
time: 0ms
memory: 3688kb
input:
10 16 0110000001010100 17 01111000110110101 15 001100010101111 16 0010101010011100 19 0000000100010110100 16 0011101010011100 18 011110010001100000 18 000110101001100011 20 01100010000100100100 15 001000111001101
output:
NO YES YES YES YES YES YES NO NO YES
result:
wrong answer expected YES, found NO [1st token]