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Submission #585076

# Submission time Handle Problem Language Result Execution time Memory
585076 2022-06-28T09:44:58 Z keta_tsimakuridze Progression (NOI20_progression) C++14
0 / 100
 62 ms 6720 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define f first
#define s second
#define endl "\n"
const int N = 2e5 + 5, mod = 1e9 + 7; //!
int t, d[N], a[N];
main() {
//	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	int n, q;
	cin >> n >> q;
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
		if(i > 2) {
			d[i - 2] = a[i] - a[i - 2];
		}
	}

	for(int i = 1; i <= q; i++) {
		int t;
		cin >> t;
		if(t < 3) {
			int l, r, s, c;
			cin >> l >> r >> s >> c;
			if(t == 1)  {
				for(int j = l; j <= r; j++) a[j] += (j - l) * c + s;

				for(int j = l ; j <= r - 2; j++) {
					d[j] += c * 2;
				}
				d[l - 1] += s + c;
				if(l > 1)
				d[l - 2] += s;
				if(l < r)
				d[r - 1] -= s + (r - l - 1) * c;
				d[r] -= s + (r - l) * c;
				}
				else {
					for(int j = l; j <= r; j++) a[j] = (j - l) * c + s;
					for(int j = l; j <= r - 2; j++) {
						d[j] = c * 2;
					}
					d[l - 1] = a[l + 1] - a[l - 1];
					if(l >= 2)
					d[l - 2] = a[l] - a[l - 2];
					d[r - 1] = a[r + 1] - a[r - 1];
					d[r] = a[r + 2] - a[r];
					
				}
				for(int i = 2; i <= n; i++) {
					d[i - 2] = a[i] - a[i - 2];
				}
			continue; 
		}
		int l, r;
		cin >> l >> r;
		int ans = 3;
		ans = min(ans, r - l + 1);
		for(int k = l; k < r - 1; k++) {
			int j = k - 1;
			while(j < r - 2 && d[k] == d[j + 1]) ++j;
			ans = max(ans, j - k + 3);
			k = j;
		}
		cout << ans << endl;
	}
}

Compilation message

Progression.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main() {
      | ^~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 61 ms 6716 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 35.0

# Verdict Execution time Memory Grader output
1 Runtime error 62 ms 6672 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 61 ms 6720 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 62 ms 6672 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 61 ms 6716 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -