feat: Add solutions for Codeforces problems 1999 A, B, C, and D

This commit is contained in:
ShazidMahsrafi 2024-08-13 20:32:52 +06:00
parent 3a67a13275
commit 5f2e72a8f3
5 changed files with 231 additions and 0 deletions

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#include <bits/stdc++.h>
using namespace std;
#ifdef ONLINE_JUDGE
#define dbg(...)
#else
#include "Assets/debug.h"
#endif
#define int long long
#define ll long long
#define endl '\n'
#define ff first
#define ss second
#define ins insert
#define pb push_back
#define ppb pop_back
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
#define rep(i,a,b) for(int i=a; i<b; ++i)
#define rrep(i,a,b) for(int i=a; i>=b; --i)
#define yn(f) f? cout<<"YES\n":cout<<"NO\n"
#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
ll pow(ll x,ll y,ll m=1e9+7) {ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
void solve()
{
string s;
cin>>s;
cout<<s[1]+s[0]-'0'-'0'<<endl;
}
signed main()
{
FAST;
int TCS = 1;
cin >> TCS;
for (int TC = 1; TC <= TCS; ++TC)
{
// cout<<"Case "<<TC<<": ";
solve();
}
}

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#include <bits/stdc++.h>
using namespace std;
#ifdef ONLINE_JUDGE
#define dbg(...)
#else
#include "Assets/debug.h"
#endif
#define int long long
#define ll long long
#define endl '\n'
#define ff first
#define ss second
#define ins insert
#define pb push_back
#define ppb pop_back
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
#define rep(i,a,b) for(int i=a; i<b; ++i)
#define rrep(i,a,b) for(int i=a; i>=b; --i)
#define yn(f) f? cout<<"YES\n":cout<<"NO\n"
#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
ll pow(ll x,ll y,ll m=1e9+7) {ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
void solve()
{
int a,b,c,d;
cin>>a>>b>>c>>d;
int ans=0;
if(a>c)
{
if(b>=d) ans++;
}
if(a==c)
{
if(b>d) ans++;
}
if(a>d)
{
if(b>=c) ans++;
}
if(a==d)
{
if(b>c) ans++;
}
if(b>c)
{
if(a>=d) ans++;
}
if(b==c)
{
if(a>d) ans++;
}
if(b>d)
{
if(a>=c) ans++;
}
if(b==d)
{
if(a>c) ans++;
}
cout<<ans<<endl;
}
signed main()
{
FAST;
int TCS = 1;
cin >> TCS;
for (int TC = 1; TC <= TCS; ++TC)
{
// cout<<"Case "<<TC<<": ";
solve();
}
}

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#include <bits/stdc++.h>
using namespace std;
#ifdef ONLINE_JUDGE
#define dbg(...)
#else
#include "Assets/debug.h"
#endif
#define int long long
#define ll long long
#define endl '\n'
#define ff first
#define ss second
#define ins insert
#define pb push_back
#define ppb pop_back
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
#define rep(i,a,b) for(int i=a; i<b; ++i)
#define rrep(i,a,b) for(int i=a; i>=b; --i)
#define yn(f) f? cout<<"YES\n":cout<<"NO\n"
#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
ll pow(ll x,ll y,ll m=1e9+7) {ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
void solve()
{
int n,s,m;
cin>>n>>s>>m;
int last=0,f=0;
while(n--)
{
int l,r;
cin>>l>>r;
int t=l-last;
dbg(l,r,last,t,s);
last=r;
if(t>=s) f=1;
}
if(m-last>=s) f=1;
yn(f);
}
signed main()
{
FAST;
int TCS = 1;
cin >> TCS;
for (int TC = 1; TC <= TCS; ++TC)
{
// cout<<"Case "<<TC<<": ";
dbg(TC);
solve();
}
}

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#include <bits/stdc++.h>
using namespace std;
#ifdef ONLINE_JUDGE
#define dbg(...)
#else
#include "Assets/debug.h"
#endif
#define int long long
#define ll long long
#define endl '\n'
#define ff first
#define ss second
#define ins insert
#define pb push_back
#define ppb pop_back
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
#define rep(i,a,b) for(int i=a; i<b; ++i)
#define rrep(i,a,b) for(int i=a; i>=b; --i)
#define yn(f) f? cout<<"YES\n":cout<<"NO\n"
#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
ll pow(ll x,ll y,ll m=1e9+7) {ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
void solve()
{
string s,t;
cin>>s>>t;
int i=0, j=0;
for(; i<sz(s) && j<sz(t); i++)
{
dbg(s[i], t[j]);
if(s[i]==t[j]) j++;
else if(s[i]=='?') s[i]=t[j++];
dbg(s,t);
}
while(i<sz(s))
{
if(s[i]=='?') s[i]='a';
i++;
}
if(j==sz(t))
{
yn(1);
cout<<s<<endl;
}
else yn(0);
}
signed main()
{
FAST;
int TCS = 1;
cin >> TCS;
for (int TC = 1; TC <= TCS; ++TC)
{
// cout<<"Case "<<TC<<": ";
solve();
}
}

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@ -383,6 +383,10 @@ This repository contains my solutions of Codeforces problems. They are in C++ la
| 371 | 1997 B | Make Three Regions | [Question](https://codeforces.com/problemset/problem/1997/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1997%20B%20-%20Make%20Three%20Regions)
| 372 | 1997 C | Even Positions | [Question](https://codeforces.com/problemset/problem/1997/C) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1997%20C%20-%20Even%20Positions)
| 373 | 1997 D | Maximize the Root | [Question](https://codeforces.com/problemset/problem/1997/D) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1997%20D%20-%20Maximize%20the%20Root)
| 374 | 1999 A | A+B Again | [Question](https://codeforces.com/problemset/problem/1999/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1999%20A%20-%20A+B%20Again)
| 375 | 1999 B | Card Game | [Question](https://codeforces.com/problemset/problem/1999/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1999%20B%20-%20Card%20Game)
| 376 | 1999 C | Showering | [Question](https://codeforces.com/problemset/problem/1999/C) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1999%20C%20-%20Showering)
| 377 | 1999 D | Slavic's Exam | [Question](https://codeforces.com/problemset/problem/1999/D) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1999%20D%20-%20Slavic's%20Exam)