AtCoder Beginner Contest 326

A - 2UP3DOWN (atcoder.jp)

AC代码:

#include
#define endl '\n'
//#define int long long
using namespace std;
int x,y;
void solve() {
    cin>>x>>y;
    if(x>t;
    while(t--) {
        solve();
    }
    return 0;
}

B - 326-like Numbers (atcoder.jp)

AC代码:

#include
#define endl '\n'
//#define int long long
using namespace std;
int n;
void solve() {
    cin>>n;
    for(int i=n;i<=919;i++){
        string s=to_string(i);
        if((s[0]-'0')*(s[1]-'0')==(s[2]-'0')){
            cout<>t;
    while(t--) {
        solve();
    }
    return 0;
}

C - Peak (atcoder.jp)

AC代码:

#include
#define endl '\n'
//#define int long long
using namespace std;
const int N=3e5+10;
int a[N];
int n,m;
void solve() {
    cin>>n>>m;
    for(int i=1;i<=n;i++) cin>>a[i];
    sort(a+1,a+1+n);
    int ans=0;
    for(int i=1;i<=n;i++){
        int x=a[i]+m;
        int pos=lower_bound(a+1,a+1+n,x)-a;
        ans=max(ans,pos-i);
    }
    cout<>t;
    while(t--) {
        solve();
    }
    return 0;
}