Submission #917996

#	Time	Username	Problem	Language	Result	Execution time	Memory
917996		waldi	Financial Report (JOI21_financial)	C++17	48 / 100	4042 ms	2640 KiB

Main

#include <bits/stdc++.h>
#define FOR(i,p,k) for(int i=(p);i<=(k);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) (int(x.size()))
#define all(x) (x).begin(),(x).end()
using namespace std;

int main(){
	int n, d;
	scanf("%d%d", &n, &d);
	vector<int> wej(n+1);
	FOR(i, 1, n) scanf("%d", &wej[i]);
	
	vector<int> prawo(n+1);
	FOR(i, 1, n){
		int ost = i;
		prawo[i] = i;
		FOR(j, i+1, n){
			if(j-ost > d) break;
			if(wej[j] <= wej[i]) ost = j;
			prawo[i] = j;
		}
	}
	
	vector<int> dp(n+1, 0);
	FOR(i, 1, n){
		++dp[i];
		FOR(j, i+1, prawo[i]) if(wej[j] > wej[i]){
			//~ printf("%d %d\n", i, j);
			dp[j] = max(dp[j], dp[i]);
		}
	}
	
	int wyn = 0;
	FOR(i, 1, n) if(prawo[i] == n) wyn = max(wyn, dp[i]);
	printf("%d", wyn);
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d%d", &n, &d);
      |  ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:12:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  FOR(i, 1, n) scanf("%d", &wej[i]);
      |               ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 20 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35