#include <bits/stdc++.h>
#define ll long long
#define int long long
#define pb push_back
#define fi first
#define se second
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
#define ld long double
using namespace std;
const int MAXN = 2e5+10;
const int INF = 4e18+10;
typedef pair<int,int> pii;
typedef pair<pii,int> ipii;
const int MX = 1e9+10;
int n;
vector <ld> vec, vec2;
ld pr[MAXN], pref[MAXN];
signed main(){
// ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin >> n;
for(int i=1; i<=n; i++){
ld x, y; cin >> x >> y;
vec.pb(x); vec2.pb(y);
}
vec.pb(INF); vec2.pb(INF);
sort(vec.rbegin(), vec.rend());
sort(vec2.rbegin(), vec2.rend());
ld ANS = 0;
for(int i=1; i<vec.size(); i++){
pr[i] = pr[i-1]+vec[i];
}
for(int i=1; i<vec2.size(); i++){
pref[i] = pref[i-1]+vec2[i];
}
for(int i=0; i<vec.size(); i++){
for(int j=0; j<vec2.size(); j++){
ANS = max(ANS, min(pr[i], pref[j])-i-j);
// cout << i<< ' ' << j << ' ' << pr[i]+pref[j]-i-j << " p\n";
}
}
// while(l<=vec.size() && r<=vec2.size()){
// if(r==vec2.size() || le < ri){
// le--; ri--;
// le += vec[l];
// l++;
// } else {
// le--; ri--;
// ri += vec2[r];
// r++;
// }
// // cout << le << ' '<< ri << " leri\n";
// ANS = max(ANS, min(le, ri));
// }
cout << fixed << setprecision(10) << ANS<< '\n';
}
Compilation message
sure.cpp: In function 'int main()':
sure.cpp:33:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | for(int i=1; i<vec.size(); i++){
| ~^~~~~~~~~~~
sure.cpp:36:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | for(int i=1; i<vec2.size(); i++){
| ~^~~~~~~~~~~~
sure.cpp:39:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int i=0; i<vec.size(); i++){
| ~^~~~~~~~~~~
sure.cpp:40:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | for(int j=0; j<vec2.size(); j++){
| ~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
