#include <iostream>
#include <vector>
#include <algorithm>
#pragma GCC optimize("03,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
int main()
{
int n;
scanf("%d", &n);
vector<double> a(n), b(n);
for(int i = 0; i < n; ++i)
scanf("%lf %lf", &a[i], &b[i]);
sort(a.begin(), a.end(), greater<double>());
sort(b.begin(), b.end(), greater<double>());
vector<double> sum_a(n + 1, 0), sum_b(n + 1, 0);
for(int i = 0; i < n; ++i)
{
sum_a[i + 1] = sum_a[i] + a[i] - 1;
sum_b[i + 1] = sum_b[i] + b[i] - 1;
}
double ans = -1e9;
for(int na = 0; na <= n; ++na)
{
for(int nb = 0; nb <= n; ++nb)
{
double cur = min(sum_a[na] - nb, sum_b[nb] - na);
ans = max(cur, ans);
}
}
printf("%.4lf",(double)ans);
}
Compilation message
sure.cpp: In function 'int main()':
sure.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
sure.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | scanf("%lf %lf", &a[i], &b[i]);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
2 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
348 KB |
Output is correct |
15 |
Correct |
2 ms |
348 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
2 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
348 KB |
Output is correct |
15 |
Correct |
2 ms |
348 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
17 |
Execution timed out |
2089 ms |
3528 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |