CODEFORCES习题

Round 855 Div . 3

C Powering the Hero (easy version)

代码：

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

void slove() { 
    int n;
    ll ans = 0;
    cin >> n;
    priority_queue<int > q;
    for(int i = 0; i < n; i++ ) {
        int s;
        cin >> s;
        if(s == 0) {
            if(!q.empty()) {
                ans += q.top(); 
                q.pop();
            }
        }else {
            q.push(s);
        }
    }

    cout << ans << '\n';

       
      

    }


signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while(t--){
        slove();
    }

    return 0;


}

D. Remove Two Letters

代码：

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

void slove() { 
    int n;
    cin >> n;
    string s;
    cin >> s;
    int ans = n - 1;
    for(int i = 0; i + 2 < n; i++ ) {
        ans -= (s[i] == s[i + 2]);
    }

    cout << ans << '\n';

       
      

    }


signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while(t--){
        slove();
    }

    return 0;


}