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leetcode_b_111.cpp
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#include<bits/stdc++.h>
using namespace std;
#define pb push_back
typedef long long int ll;
int findPairs(vector<ll>arr,ll n,ll x)
{
ll l = 0, r = n-1;
ll result = 0;
while (l < r)
{
if (arr[l] + arr[r] < x)
{
result += (r - l);
l++;
}
else
r--;
}
return result;
}
int help(vector<int>v,int n,int i,int c){
if(i==n)
{
if(v[i-1]<v[i-2]){
return INT_MAX;
}
// for(int id=1;id<n;id++){
// if(v[id]<v[id-1]){
// return INT_MAX;
// }
// }
return c;
}
if(i>=2 && v[i-1]<v[i-2]){
return INT_MAX;
}
if(i>=2){
int j=1;
int k=i-1;
while(j<=k){
if(v[j]<v[j-1] || v[k]<v[k-1]){
return INT_MAX;
}
}
}
int nt=help(v,n,i+1,c);
v[i]=1;
int ct1=help(v,n,i+1,c+1);
v[i]=2;
int ct2=help(v,n,i+1,c+1);
v[i]=3;
int ct3=help(v,n,i+1,c+1);
return min({nt,ct1,ct2,ct3});
}
int minimumOperations(vector<int>& nums) {
int n=nums.size();
vector<int>t={};
int co=0;
vector<int>nums2=nums;
int f=0;
sort(nums2.begin(),nums2.end());
int cc=0;
for(int i=0;i<n;i++){
if(nums2[i]!=nums[i]){
f=1;
cc++;
// break;
}
}
if(f==0){
return 1;
}
for(int i=0;i<n;i++){
auto f=upper_bound(nums.begin(),nums.end(),nums[i]);
if(f==t.end()){
t.push_back(nums[i]);
}
else if(f!=t.end()){
int jk=abs(t.begin()-f);
t[jk]=min(jk,nums[i]);
co++;
}
}
return co;
int i1=0;
// int ans=help(nums,n,0,0);
// cout<<cc<<endl;
// return min(cc,ans);
}
int main(){
int t;
t=1;
// for(int i=0;i<33;i++){
// cout<<"3,";
// }for(int i=0;i<33;i++){
// cout<<"2,";
// }
// for(int i=0;i<34;i++){
// cout<<1<<",";
// }
// cin>>t;
// t=0;
while(t--){
vector<int>v={1,3,2,1,2,2,3,3,2,1,2,3,1};
int n=v.size();
v={1,2,3};
int i=n;
int j=1;
int k=i-1;
while(j<=k){
cout<<j<<" "<<k<<endl;
// if(v[j]<v[j-1] || v[k]<v[k-1]){
// cout<<"-\n";
// }
j++;
k--;
}
cout<<"!!";
// cout<<minimumOperations(v);
}
}