# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
522256 |
2022-02-04T10:33:03 Z |
new_acc |
Hiring (IOI09_hiring) |
C++14 |
|
557 ms |
22796 KB |
#include<bits/stdc++.h>
#define fi first
#define se second
#define rep(a, b) for(int a = 0; a < (int)(b); a++)
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
struct st{
ll a,b;
int id;
bool operator>(st pom){
return a*pom.b>b*pom.a;
}
st operator*(st pom){
st res;
res.a=a*pom.a;
res.b=b*pom.b;
ll g=__gcd(res.a,res.b);
res.a/=g,res.b/=g;
return res;
}
};
const int N=5e5+10;
st t[N];
void solve(){
int n,il;
ll w;
cin>>n>>w;
rep(i,n){ cin>>t[i].a>>t[i].b; t[i].id=i;}
sort(t,t+n,[](st a,st b){
return b>a;
});
set<pair<int,int> >mul;
ll curr=0;
st mini;
rep(i,n){
ll xd=(w*t[i].b)/t[i].a;
mul.insert({t[i].b,t[i].id});
curr+=t[i].b;
while(curr>xd){
auto it=mul.end();
it--;
curr-=(*(it)).fi;
mul.erase(it);
}
if(il<=(int)mul.size()){
st akt;
akt.a=curr,akt.b=1;
akt=akt*t[i];
if(il<(int)mul.size()) mini=akt;
else if(mini>akt) mini=akt;
}
il=max(il,(int)mul.size());
}
mul.clear();
curr=0;
rep(i,n){
ll xd=(w*t[i].b)/t[i].a;
mul.insert({t[i].b,t[i].id});
curr+=t[i].b;
while(curr>xd){
auto it=mul.end();
it--;
curr-=(*(it)).fi;
mul.erase(it);
}
if((int)mul.size()==il){
st akt;
akt.a=curr,akt.b=1;
akt=akt*t[i];
if(mini.a==akt.a and mini.b==akt.b) break;
}
}
cout<<il<<"\n";
for(auto it=mul.begin();it!=mul.end();it++) cout<<(*(it)).se+1<<"\n";
}
int main(){
ios_base::sync_with_stdio(0),cin.tie(0);
solve();
}
Compilation message
hiring.cpp: In function 'void solve()':
hiring.cpp:75:12: warning: 'il' may be used uninitialized in this function [-Wmaybe-uninitialized]
75 | cout<<il<<"\n";
| ^~~~
hiring.cpp:72:21: warning: 'mini.st::b' may be used uninitialized in this function [-Wmaybe-uninitialized]
72 | if(mini.a==akt.a and mini.b==akt.b) break;
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
hiring.cpp:72:4: warning: 'mini.st::a' may be used uninitialized in this function [-Wmaybe-uninitialized]
72 | if(mini.a==akt.a and mini.b==akt.b) break;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
3 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
3 ms |
416 KB |
Output is correct |
10 |
Correct |
3 ms |
460 KB |
Output is correct |
11 |
Correct |
3 ms |
588 KB |
Output is correct |
12 |
Correct |
5 ms |
716 KB |
Output is correct |
13 |
Correct |
3 ms |
584 KB |
Output is correct |
14 |
Correct |
7 ms |
844 KB |
Output is correct |
15 |
Correct |
8 ms |
896 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
11 ms |
1100 KB |
Output is correct |
5 |
Correct |
24 ms |
2380 KB |
Output is correct |
6 |
Correct |
242 ms |
12596 KB |
Output is correct |
7 |
Correct |
314 ms |
17660 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
93 ms |
5012 KB |
Output is correct |
2 |
Correct |
92 ms |
5044 KB |
Output is correct |
3 |
Correct |
107 ms |
4984 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
108 ms |
8668 KB |
Output is correct |
2 |
Correct |
141 ms |
8676 KB |
Output is correct |
3 |
Correct |
106 ms |
8668 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
382 ms |
19404 KB |
Output is correct |
2 |
Correct |
365 ms |
19460 KB |
Output is correct |
3 |
Correct |
348 ms |
19408 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
509 ms |
22712 KB |
Output is correct |
2 |
Correct |
525 ms |
22712 KB |
Output is correct |
3 |
Correct |
557 ms |
22796 KB |
Output is correct |