AtCoder Beginner Contest 002

Submission #333492

Source codeソースコード

#include <stdio.h>

struct coord {
	double x, y;

int main(void) {
	struct coord a, b, c;
	double ans;

	scanf("%lf%lf%lf%lf%lf%lf", &a.x, &a.y, &b.x, &b.y, &c.x, &c.y);
	ans = (b.x - a.x)*(c.y - a.y) - (c.x - a.x)*(b.y - a.y) / 2.0;
	(ans >= 0) ? ans : -ans;
	printf("%lf\n", ans);

	return 0;


Task問題 C - 直訴
User nameユーザ名 E231moha
Created time投稿日時
Language言語 C (GCC 4.6.4)
Status状態 WA
Score得点 0
Source lengthソースコード長 315 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Compiler messageコンパイルメッセージ

./Main.c: In function ‘main’:
./Main.c:11:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Test case


Set name Score得点 / Max score Cases
all 0 / 100 00_sample_01.txt,00_sample_02.txt,00_sample_03.txt,test_01.txt,test_02.txt,test_03.txt,test_04.txt,test_05.txt,test_06.txt,test_07.txt,test_08.txt,test_09.txt,test_10.txt,test_11.txt,test_12.txt,test_13.txt,test_14.txt,test_15.txt,test_16.txt,test_17.txt,test_18.txt,test_19.txt,test_20.txt,test_21.txt,test_22.txt,test_23.txt,test_24.txt,test_25.txt,test_26.txt,test_27.txt,test_28.txt,test_29.txt,test_30.txt,test_31.txt,test_32.txt,test_33.txt,test_34.txt,test_35.txt,test_36.txt,test_37.txt,test_38.txt,test_39.txt,test_40.txt,test_41.txt,test_42.txt,test_43.txt,test_44.txt,test_45.txt,test_46.txt,test_47.txt,test_48.txt,test_49.txt,test_50.txt,test_51.txt,test_52.txt,test_53.txt,test_54.txt,test_55.txt,test_56.txt,test_57.txt,test_58.txt,test_59.txt,test_60.txt,test_61.txt,test_62.txt,test_63.txt,test_64.txt,test_65.txt,test_66.txt,test_67.txt,test_68.txt,test_69.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_sample_01.txt WA
00_sample_02.txt WA
00_sample_03.txt WA
test_01.txt WA
test_02.txt WA
test_03.txt WA
test_04.txt WA
test_05.txt AC 23 ms 716 KB
test_06.txt WA
test_07.txt WA
test_08.txt WA
test_09.txt WA
test_10.txt WA
test_11.txt WA
test_12.txt AC 22 ms 804 KB
test_13.txt AC 23 ms 672 KB
test_14.txt WA
test_15.txt WA
test_16.txt WA
test_17.txt WA
test_18.txt AC 22 ms 704 KB
test_19.txt WA
test_20.txt WA
test_21.txt WA
test_22.txt WA
test_23.txt WA
test_24.txt WA
test_25.txt WA
test_26.txt WA
test_27.txt WA
test_28.txt AC 23 ms 704 KB
test_29.txt WA
test_30.txt AC 24 ms 712 KB
test_31.txt AC 23 ms 700 KB
test_32.txt WA
test_33.txt WA
test_34.txt WA
test_35.txt AC 24 ms 708 KB
test_36.txt WA
test_37.txt WA
test_38.txt WA
test_39.txt WA
test_40.txt AC 21 ms 804 KB
test_41.txt WA
test_42.txt WA
test_43.txt WA
test_44.txt WA
test_45.txt WA
test_46.txt AC 21 ms 716 KB
test_47.txt WA
test_48.txt WA
test_49.txt WA
test_50.txt WA
test_51.txt WA
test_52.txt WA
test_53.txt AC 21 ms 704 KB
test_54.txt WA
test_55.txt WA
test_56.txt WA
test_57.txt WA
test_58.txt WA
test_59.txt WA
test_60.txt WA
test_61.txt WA
test_62.txt WA
test_63.txt WA
test_64.txt WA
test_65.txt WA
test_66.txt WA
test_67.txt WA
test_68.txt WA
test_69.txt AC 21 ms 700 KB