Submission #1272745

#	Time	Username	Problem	Language	Result	Execution time	Memory
1272745		ghammazhassan	Fish 3 (JOI24_fish3)	C++20	9 / 100	2095 ms	5132 KiB

Main

// #include <bits/stdc++.h>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <map>
#include <unordered_map>
#include <vector>
#include <iomanip>
#include <string>
#include <queue>
#include <set>
#include <deque>
using namespace std;
#define int long long
#define endl "\n"
#define fi first
#define se second
const int M=998244353;
const int inf = 1e14;
const int LOG=20;
const int N=3e5+5;
int n , m , c , w , k , t=1 , q=1 , x , y , z , l , r;
void solve()
{   
    cin >> n >> x;
    vector<int>a(n+1);
    for (int i=1;i<=n;i++){
        cin >> a[i];
    }
    cin >> q;
    for (int o=0;o<q;o++){
        cin >> l >> r;
        c=0;
        vector<int>b=a;
        bool f=0;
        for (int i=l;i<=r;i++){
            a[i]-=c;
            int u=a[i]-(a[i]/x)*x;
            if (u<0)f=1;
            c+=u;
            a[i]-=u;
        }
        for (int i=l;i<=r;i++){
            if (a[i]<0 or a[i]%x){
                f=1;
            }
        }
        if (f){
            cout << -1 << endl;
            a=b;
            continue;
        }
        int mn=inf;
        c=0;
        for (int i=r;i>=l;i--){
            int u=min(mn,a[i]);
            a[i]-=u;
            int y=((a[i]+x-1)/x)*x-a[i];
            u+=y;
            a[i]+=y;
            mn=min(mn,u);
            c+=a[i]/x;
        }
        cout << c << endl;
        a=b;

        
    }


    
}
signed main()    
{

    ios::sync_with_stdio(0);//DO NOT USE IN INTERACTIVE
    cin.tie(0), cout.tie(0);//DO NOT USE IN INTERACTIVE
    cout << fixed << setprecision(9);
    // int t=1;
    // cin >> t;
    for (int _=1;_<=t;_++){
        solve();
        q++;
    }
} 

• Subtask 1: 9 / 9
• Subtask 2: 0 / 7
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36