Wednesday, April 17, 2024

# Codeforces Round #385 (Div. 2), problem: (E) Hongcow Buys a Deck of Cards Solution in C/C++

```#include<bits/stdc++.h>
using namespace std;

const int maxn=16,INF=0x3f3f3f3f;
char type[maxn];
int R[maxn],B[maxn];

for(;;) {
char ch=getchar();
if(!isspace(ch)) {
return ch;
}
}
}

int n;

typedef pair<int,int> pii;
typedef set<pii> Spii;
Spii dp[1<<maxn];

void Insert(Spii& s,const pii& p) {
Spii::iterator it=s.lower_bound(p);
if(it==s.begin()||(--it)->second>p.second) {
s.insert(p);
it=s.upper_bound(p);
while(it!=s.end()&&it->second>=p.second) {
s.erase(it++);
}
}
}

void DP(int s) {
Spii& res=dp[s];
if(res.size()) {
return;
}
if(s==0) {
res.insert(make_pair(0,0));
return;
}
int curR=0,curB=0;
for(int i=0;i<n;i++) {
if(!((s&(1<<i)))) {
if(type[i]=='R') {
curR++;
} else {
curB++;
}
}
}
for(int i=0;i<n;i++) {
if(s&(1<<i)) {
DP(s&(~(1<<i)));
Spii& tmp=dp[s&(~(1<<i))];
for(Spii::iterator it=tmp.begin();it!=tmp.end();it++) {
Insert(res,make_pair(it->first+max(0,R[i]-curR),it->second+max(0,B[i]-curB)));
}
}
}
}

int main() {
cin>>n;
for(int i=0;i<n;i++) {
cin>>R[i]>>B[i];
}
DP((1<<n)-1);
int ans=INF;
Spii& res=dp[(1<<n)-1];
for(Spii::iterator it=res.begin();it!=res.end();it++) {
ans=min(ans,max(it->first,it->second)+n);
}
cout<<ans<<endl;
return 0;
}```

## Celebrating Black History Month:...

As February unfolds, so does the annual celebration of...

## The Path to Self-Mastery:...

Embarking on a journey of self-mastery and breaking free...

## Wizards of Waverly Place...

In a spellbinding announcement, Disney has officially revealed that...

## Jim Irsay’s Reported ‘Suspected...

In a shocking turn of events last month, Jim...

Coachella Valley Music and Arts Festival, one of the...

## 2024 Taiwan Election: Pivotal...

As Taiwan gears up for its 2024 presidential election,...

### Celebrating Black History Month: Past, Future

As February unfolds, so does the annual celebration of Black History Month, a time to reflect on the profound contributions, resilience, and rich cultural...

### The Path to Self-Mastery: Lessons from Book ‘The Mountain Is You’

Embarking on a journey of self-mastery and breaking free from self-sabotage is a transformative process that requires dedication and conscious effort. Brianna Wiest's insightful...

### Wizards of Waverly Place Cast Reunites for Enchanting Revival

In a spellbinding announcement, Disney has officially revealed that the beloved fantasy series "Wizards of Waverly Place" is set for a magical comeback, featuring...

### Jim Irsay’s Reported ‘Suspected Overdose’: A Closer Look

In a shocking turn of events last month, Jim Irsay, the owner of the Indianapolis Colts, was reportedly found unresponsive at his home in...

### Coachella 2024: Iconic headliners, unforgettable musical experience!

Coachella Valley Music and Arts Festival, one of the most iconic and eagerly anticipated music festivals globally, has just dropped its highly anticipated lineup...

### 2024 Taiwan Election: Pivotal Moment in Political Landscape

As Taiwan gears up for its 2024 presidential election, the political landscape is buzzing with anticipation and fervor. With the island nation situated at...

### Michael Strahan’s Daughter’s Medulloblastoma Diagnosis

In a recent and heartbreaking revelation, Michael Strahan, former NFL star and television personality, shared the devastating news of his daughter Isabella's diagnosis with...

### Michigan vs. Washington: The 2024 National Championship Clash

In a highly anticipated matchup, the 2024 National Championship will witness a clash of football titans as the Michigan Wolverines square off against the...

### Jason Kelce: Unmasking the Unconventional NFL Icon

In the world of professional football, where conformity often takes center stage, one player stands out as a beacon of individuality, both on and...