Submission #224131

#	Time	Username	Problem	Language	Result	Execution time	Memory
224131		jamielim	Fire (JOI20_ho_t5)	C++14	1 / 100	6 ms	688 KiB

ho_t5

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

int main(){
	int n,q;
	scanf("%d%d",&n,&q);
	long long arr[n+5][n];
	for(int i=0;i<n;i++)scanf("%lld",&arr[0][i]);
	for(int i=1;i<=n;i++){
		arr[i][0]=arr[i-1][0];
		for(int j=1;j<n;j++){
			arr[i][j]=max(arr[i-1][j-1],arr[i-1][j]);
		}
	}
	int t,l,r;
	for(int i=0;i<q;i++){
		scanf("%d%d%d",&t,&l,&r);l--;r--;
		long long ans=0;
		for(int j=l;j<=r;j++){
			ans+=arr[t][j];
		}
		printf("%lld\n",ans);
	}
}

Compilation message (stderr)

ho_t5.cpp: In function 'int main()':
ho_t5.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~
ho_t5.cpp:8:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<n;i++)scanf("%lld",&arr[0][i]);
                      ~~~~~^~~~~~~~~~~~~~~~~~~
ho_t5.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&t,&l,&r);l--;r--;
   ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 80