Submission #65912828

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int n;
int p[300000+5];
unsigned long long a[300000+5];
unsigned long long cnt;
unsigned long long ans;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>p[i];
	}
	int k=0;
	p[0]=1e9+7;
	long long sum=0;
	for(int i=1;i<=n;i++){
		if(p[i]>p[i-1]){
			sum++;
//			if(sum==1) sum++;
		}else if(sum>=1){
			a[++cnt]=sum+1;
//			cout<<i<<endl;
			sum=0;
		}else sum=0;
	}a[++cnt]=sum+1;
	if(a[cnt]==1) cnt--;
	for(int i=1;i<cnt;i++){
		ans+=(a[i]-1)*(a[i+1]-1);
//		cout<<a[i]<<" "<<a[i+1]<<endl;
	}cout<<ans;
	return 0;
}

Submission Info

Submission Time
Task C - ~
User xiaoke2023
Language C++ 20 (gcc 12.2)
Score 350
Code Size 597 Byte
Status AC
Exec Time 53 ms
Memory 5860 KiB

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:27:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long long unsigned int’ [-Wsign-compare]
   27 |         for(int i=1;i<cnt;i++){
      |                     ~^~~~
Main.cpp:13:13: warning: unused variable ‘k’ [-Wunused-variable]
   13 |         int k=0;
      |             ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 350 / 350
Status
AC × 3
AC × 38
Set Name Test Cases
Sample sample00.txt, sample01.txt, sample02.txt
All sample00.txt, sample01.txt, sample02.txt, testcase00.txt, testcase01.txt, testcase02.txt, testcase03.txt, testcase04.txt, testcase05.txt, testcase06.txt, testcase07.txt, testcase08.txt, testcase09.txt, testcase10.txt, testcase11.txt, testcase12.txt, testcase13.txt, testcase14.txt, testcase15.txt, testcase16.txt, testcase17.txt, testcase18.txt, testcase19.txt, testcase20.txt, testcase21.txt, testcase22.txt, testcase23.txt, testcase24.txt, testcase25.txt, testcase26.txt, testcase27.txt, testcase28.txt, testcase29.txt, testcase30.txt, testcase31.txt, testcase32.txt, testcase33.txt, testcase34.txt
Case Name Status Exec Time Memory
sample00.txt AC 1 ms 3456 KiB
sample01.txt AC 1 ms 3452 KiB
sample02.txt AC 1 ms 3560 KiB
testcase00.txt AC 11 ms 3860 KiB
testcase01.txt AC 53 ms 5216 KiB
testcase02.txt AC 7 ms 3684 KiB
testcase03.txt AC 53 ms 5136 KiB
testcase04.txt AC 44 ms 4928 KiB
testcase05.txt AC 53 ms 5272 KiB
testcase06.txt AC 36 ms 4740 KiB
testcase07.txt AC 52 ms 5204 KiB
testcase08.txt AC 1 ms 3452 KiB
testcase09.txt AC 1 ms 3468 KiB
testcase10.txt AC 15 ms 4188 KiB
testcase11.txt AC 53 ms 5804 KiB
testcase12.txt AC 35 ms 5072 KiB
testcase13.txt AC 52 ms 5860 KiB
testcase14.txt AC 51 ms 4732 KiB
testcase15.txt AC 26 ms 4128 KiB
testcase16.txt AC 50 ms 4664 KiB
testcase17.txt AC 21 ms 4132 KiB
testcase18.txt AC 51 ms 4608 KiB
testcase19.txt AC 12 ms 3732 KiB
testcase20.txt AC 51 ms 4552 KiB
testcase21.txt AC 20 ms 3928 KiB
testcase22.txt AC 51 ms 4672 KiB
testcase23.txt AC 29 ms 4184 KiB
testcase24.txt AC 51 ms 4636 KiB
testcase25.txt AC 25 ms 4040 KiB
testcase26.txt AC 51 ms 4824 KiB
testcase27.txt AC 13 ms 3812 KiB
testcase28.txt AC 51 ms 4676 KiB
testcase29.txt AC 19 ms 3976 KiB
testcase30.txt AC 50 ms 4624 KiB
testcase31.txt AC 9 ms 3668 KiB
testcase32.txt AC 51 ms 4616 KiB
testcase33.txt AC 22 ms 4008 KiB
testcase34.txt AC 51 ms 4632 KiB