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当时自己犯了很蠢的错误,用Python写一直ac不了,所以搞了两个版本,后来发现都改好了,两个都能AC C++版本: #include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#define MAX(a,b) ((a) > (b) ? (a) : (b))
using namespace std;
int main(){
int t, res_m, res_f;
cin >> t;
for(int i = 0; i < t; i++){
int n;
res_m = 0;
res_f = 0;
cin >> n;
vector<int> v;
for(int j = 0; j < n; j++){
int x; scanf("%d",&x);
vector<int>::iterator pos_left,pos_right;
pos_left = std::lower_bound(v.begin(), v.end(), x);
pos_right = std::upper_bound(pos_left, v.end(), x);
int lo = pos_left - v.begin();
int hi = pos_right - v.begin();
v.insert(v.begin()+hi, x);
res_f += lo + hi - j;
res_m = MAX(res_m, res_f);
}
cout << res_m << ' ' << res_f << endl;
}
return 0;
} Python 版本: import bisect
T = int(input())
class my_class(object):
__slots__ = ['array', 'res_m', 'res_f']
def __init__(self, lst):
array = []
res_m, res_f = 0, 0
n = len(lst)
for i, x in enumerate(lst):
pos_left = bisect.bisect_left(array, x)
pos_right = bisect.bisect_right(array, x, pos_left)
res_f += pos_left + pos_right - i
res_m = max(res_m, res_f)
array.insert(pos_right, x)
print(res_m, res_f)
for _ in range(T):
n = int(input())
lst = list(map(int, input().split()))
my_class(lst)
两个堆,只过了20%,然后还是超时
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昨天 22:03
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