Submission #587473

#	Time	Username	Problem	Language	Result	Execution time	Memory
587473		NekoRolly	RMQ (NOI17_rmq)	C++17	67 / 100	1087 ms	2248 KiB

rmq

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5+4;

int n,q;
int a[N],p[N];
int L[N],R[N];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	
	cin >> n >> q;

	for (int i=0; i<n; i++) R[i] = n-1, p[i] = -1;

	for (int i=0,l,r,x; i<q; i++){ cin >> l >> r >> x;
		for (int j=l; j<=r; j++) a[j] = max(a[j], x);
		L[x] = max(L[x], l), R[x] = min(R[x], r);
	}

	for (int i=0; i<n; i++){ int pos = -1;
		for (int j=L[i]; j<=R[i]; j++) if (a[j] <= i && p[j] == -1) pos = j;
		if (pos == -1){
			for (int i=0; i<n; i++) p[i] = -1;
			break;
		}
		p[pos] = i;
	}

	for (int i=0; i<n; i++) cout << p[i] << " "; cout << "\n";

    return 0;
}

Compilation message (stderr)

rmq.cpp: In function 'int main()':
rmq.cpp:31:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   31 |  for (int i=0; i<n; i++) cout << p[i] << " "; cout << "\n";
      |  ^~~
rmq.cpp:31:47: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   31 |  for (int i=0; i<n; i++) cout << p[i] << " "; cout << "\n";
      |                                               ^~~~

• Subtask 1: 23 / 23
• Subtask 2: 44 / 44
• Subtask 3: 0 / 33