#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 1e5 + 5;
int n, ix;
double a[NMAX], b[NMAX], ans, x, y;
int main(void){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cout << fixed; cout.precision(4);
cin >> n;
for(int i = 0; i < n; i++) cin >> a[i] >> b[i], a[i] -= 1, b[i] -= 1;
sort(a, a + n); reverse(a, a + n);
sort(b, b + n); reverse(b, b + n);
ix = -1;
for(int i = 0; i < n; i++){
x += a[i]; y -= 1;
while(ix + 1 < n && min(x, y) <= min(x - 1, y + b[ix + 1])){
y += b[++ix]; x -= 1;
}
ans = max(ans, min(x, y));
}
cout << ans;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
324 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
2 ms |
360 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
324 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
2 ms |
360 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
74 ms |
3184 KB |
Output is correct |
| 18 |
Correct |
73 ms |
3236 KB |
Output is correct |
| 19 |
Correct |
68 ms |
3120 KB |
Output is correct |
| 20 |
Correct |
73 ms |
3244 KB |
Output is correct |
| 21 |
Correct |
76 ms |
3608 KB |
Output is correct |
| 22 |
Correct |
78 ms |
3148 KB |
Output is correct |
| 23 |
Correct |
91 ms |
3172 KB |
Output is correct |
| 24 |
Correct |
81 ms |
3148 KB |
Output is correct |
| 25 |
Correct |
70 ms |
3128 KB |
Output is correct |
| 26 |
Correct |
81 ms |
3788 KB |
Output is correct |
