Submission #475444

#	Time	Username	Problem	Language	Result	Execution time	Memory
475444		keta_tsimakuridze	Addk (eJOI21_addk)	C++14	92 / 100	317 ms	5792 KiB

Main

#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
#define pii pair<int,int>
using namespace std;
const int N = 2e5 + 5, mod = 1e9 + 7; // !
int t, n, q, a[N], tree[N];
void upd(int ind,int val) {
	for(ind;ind <= n; ind += ind & (-ind)) tree[ind] += val;
}
int get(int ind) {
	int ans = 0;
	for(ind; ind >= 1; ind -= (ind) & (-ind)) ans += tree[ind];
	return ans;
}
main(){
	int K;
	cin >> n >> K;
	if(K > 1) return 0;
	for(int i = 1; i <= n; i++) cin >> a[i], a[i] += a[i - 1], upd(i,a[i]);
	
	int q;
	cin >> q;
	while(q--) {
		int t;
		cin >> t;
		if(t == 1) {
			int x;
			cin >> x;
			continue;
		}
		int l,r,m;
		cin >> l >> r >> m;
		cout << get(r) - get(l + m - 2) - (get(r - m) - get(l - 2)) << endl;
	}
 }

Compilation message (stderr)

Main.cpp: In function 'void upd(long long int, long long int)':
Main.cpp:10:6: warning: statement has no effect [-Wunused-value]
   10 |  for(ind;ind <= n; ind += ind & (-ind)) tree[ind] += val;
      |      ^~~
Main.cpp: In function 'long long int get(long long int)':
Main.cpp:14:6: warning: statement has no effect [-Wunused-value]
   14 |  for(ind; ind >= 1; ind -= (ind) & (-ind)) ans += tree[ind];
      |      ^~~
Main.cpp: At global scope:
Main.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main(){
      | ^~~~

• Subtask 1: 36 / 36
• Subtask 2: 56 / 56
• Subtask 3: 0 / 8