結果
| 問題 |
No.955 ax^2+bx+c=0
|
| コンテスト | |
| ユーザー |
りあん
|
| 提出日時 | 2019-12-18 00:11:36 |
| 言語 | C (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 322 bytes |
| コンパイル時間 | 674 ms |
| コンパイル使用メモリ | 30,592 KB |
| 実行使用メモリ | 6,948 KB |
| 最終ジャッジ日時 | 2024-07-06 23:36:03 |
| 合計ジャッジ時間 | 2,430 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 98 WA * 24 |
コンパイルメッセージ
main.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
2 | main(t){
| ^~~~
main.c: In function 'main':
main.c:2:1: warning: type of 't' defaults to 'int' [-Wimplicit-int]
main.c:4:1: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
4 | scanf("%ld%ld%ld",&a,&b,&c);
| ^~~~~
main.c:2:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
1 | #include<math.h>
+++ |+#include <stdio.h>
2 | main(t){
main.c:4:1: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
4 | scanf("%ld%ld%ld",&a,&b,&c);
| ^~~~~
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:8:19: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
8 | fabsl(d)>1e-9?d>0?printf("2\n%.19Lf\n%.19Lf\n",-(sqrtl(d)+b)/a/2,(sqrtl(d)-b)/a/2):puts("0"):printf("1\n%.19Lf\n",-0.5l*b/a);
| ^~~~~~
main.c:8:19: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:19: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:8:19: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:84: warning: implicit declaration of function 'puts' [-Wimplicit-function-declaration]
8 | fabsl(d)>1e-9?d>0?printf("2\n%.19Lf\n%.19Lf\n",-(sqrtl(d)+b)/a/2,(sqrtl(d)-b)/a/2):puts("0"):printf("1\n%.19Lf\n",-0.5l*b/a);
| ^~~~
main.c:8:84: note: include '<stdio.h>' or provide a declaration of 'puts'
main.c:10:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
10 | b?printf("1\n%.19Lf\n",-1.0l*c/b):puts(c?"0":"-1");
| ^~~~~~
main.c:10:3: note: include '<stdio.h>' or provide a declaration of 'printf'
ソースコード
#include<math.h>
main(t){
long a,b,c;long double d;
scanf("%ld%ld%ld",&a,&b,&c);
if(a){
if(a<0){a=-a;b=-b;c=-c;}
d=1.0l*b*b-4.0l*a*c;
fabsl(d)>1e-9?d>0?printf("2\n%.19Lf\n%.19Lf\n",-(sqrtl(d)+b)/a/2,(sqrtl(d)-b)/a/2):puts("0"):printf("1\n%.19Lf\n",-0.5l*b/a);
}else{
b?printf("1\n%.19Lf\n",-1.0l*c/b):puts(c?"0":"-1");
}}
りあん