Submission #71471543

Source Code Expand

#include<bits/stdc++.h>
#define int long long
using namespace std;
inline int read(){
	int x=0,y=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){
		if(ch=='-') y=-1;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		x=x*10+(ch^48);
		ch=getchar();
	}
	return x*y;
}

signed main(){
	int n=read();
	printf("%lld\n",n*(n+1)/2);
	return 0;
}

Submission Info

Submission Time
Task A - Triangular Number
User wrhaco
Language C++23 (GCC 15.2.0)
Score 100
Code Size 355 Byte
Status AC
Exec Time 1 ms
Memory 3832 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 3
AC × 11
Set Name Test Cases
Sample example_00.txt, example_01.txt, example_02.txt
All example_00.txt, example_01.txt, example_02.txt, hand_00.txt, hand_01.txt, hand_02.txt, random_00.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt
Case Name Status Exec Time Memory
example_00.txt AC 1 ms 3804 KiB
example_01.txt AC 1 ms 3612 KiB
example_02.txt AC 1 ms 3832 KiB
hand_00.txt AC 1 ms 3804 KiB
hand_01.txt AC 1 ms 3560 KiB
hand_02.txt AC 1 ms 3704 KiB
random_00.txt AC 1 ms 3832 KiB
random_01.txt AC 1 ms 3808 KiB
random_02.txt AC 1 ms 3688 KiB
random_03.txt AC 1 ms 3684 KiB
random_04.txt AC 1 ms 3688 KiB