AtCoder Regular Contest 070

Submission #1355761

Source codeソースコード

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;

int main()
{
	int x;
	scanf("%d",&x);
	int sum = 0;
	int i = 0;
	while (sum + (i+1) < x)
	{
		i++;
		sum += i;
	}
	if (sum == x) printf("%d\n",i);
	else printf("%d\n",i+1);
	return 0;
}

Submission

Task問題 C - Go Home
User nameユーザ名 Gabriel
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 200
Source lengthソースコード長 285 Byte
File nameファイル名
Exec time実行時間 1 ms
Memory usageメモリ使用量 256 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&x);
^

Test case

Set

Set name Score得点 / Max score Cases
Sample - 0_000.txt,0_001.txt,0_002.txt
All 200 / 200 0_000.txt,0_001.txt,0_002.txt,1_003.txt,1_004.txt,1_005.txt,1_006.txt,1_007.txt,1_008.txt,1_009.txt,1_010.txt,1_011.txt,1_012.txt,1_013.txt,1_014.txt,1_015.txt,1_016.txt,1_017.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt AC 1 ms 256 KB
1_003.txt AC 1 ms 256 KB
1_004.txt AC 1 ms 256 KB
1_005.txt AC 1 ms 256 KB
1_006.txt AC 1 ms 256 KB
1_007.txt AC 1 ms 256 KB
1_008.txt AC 1 ms 256 KB
1_009.txt AC 1 ms 256 KB
1_010.txt AC 1 ms 256 KB
1_011.txt AC 1 ms 256 KB
1_012.txt AC 1 ms 256 KB
1_013.txt AC 1 ms 256 KB
1_014.txt AC 1 ms 256 KB
1_015.txt AC 1 ms 256 KB
1_016.txt AC 1 ms 256 KB
1_017.txt AC 1 ms 256 KB