为什么开ll会wa第八个点,数据下载下来运行没有问题哇
#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <queue>
#include <cstring>
#define debug(x) cout<<#x<<":"<<x<<endl;
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> PII;
const int INF = 0x3f3f3f3f;
const int N = 35;
ll f[N][N];
void init(){
for(int i = 1;i < N;i++){
f[i - 1][0] = 1;
for(int j = 1;j <= i;j++)
f[i][j] = f[i -1][j - 1] + f[i - 1][j];
}
}
ll sum(int l,int k) {
ll ans = 0;
for(int i = l;(i << 1) >= l + k;--i){
ans += f[l][i];
}
return ans;
}
ll solve(ll x){
vector<int> nums;
while(x) nums.push_back(x % 2),x /= 2;
ll res = 0;
for(int i = 1;i < nums.size();i++) res += sum(i - 1,1);
int top = 1;
for(int i = nums.size() - 2;i >= 0;i--){
if(nums[i]){
res += sum(i,top - 1);
top++;
}
else top--;
}
if(top <= 0) res++;
return res;
}
int main(){
ll x,y;
init();
scanf("%lld%lld",&x,&y);
printf("%lld\n",solve(y) - solve(x - 1));
return 0;
}
/**
* ┏┓ ┏┓+ +
* ┏┛┻━━━┛┻┓ + +
* ┃ ┃
* ┃ ━ ┃ ++ + + +
* ████━████+
* ◥██◤ ◥██◤ +
* ┃ ┻ ┃
* ┃ ┃ + +
* ┗━┓ ┏━┛
* ┃ ┃ + + + +Code is far away from
* ┃ ┃ + bug with the animal protecting
* ┃ ┗━━━┓ 神兽保佑,代码无bug
* ┃ ┣┓
* ┃ ┏┛
* ┗┓┓┏━┳┓┏┛ + + + +
* ┃┫┫ ┃┫┫
* ┗┻┛ ┗┻┛+ + + +
*/