Submission #284547

#	Time	Username	Problem	Language	Result	Execution time	Memory
284547		limabeans	Sterilizing Spray (JOI15_sterilizing)	C++17	5 / 100	5032 ms	3764 KiB

sterilizing

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

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;

const ll mod = 1e9+7;
const int maxn = 1e6 + 5;



int n, q, k;
int a[maxn];


void brute(int type, int t, int u) {
    if (type==1) {
	int idx = t;
	int val = u;
	a[idx] = val;
    }
    if (type==2) {
	int l = t;
	int r = u;
	for (int i=l; i<=r; i++) {
	    a[i] /= k;
	}
    }
    if (type==3) {
	ll res = 0;
	int l = t;
	int r = u;
	for (int i=l; i<=r; i++) {
	    res += a[i];
	}
	cout<<res<<"\n";
    }
}

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n>>q>>k;
    for (int i=1; i<=n; i++) {
	cin>>a[i];
    }

    for (int i=0; i<q; i++) {
	int s,t,u;
	cin>>s>>t>>u;
	brute(s,t,u);
    }
    
    
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75