結果

問題 No.456 Millions of Submits!
ユーザー tailstails
提出日時 2016-12-08 01:55:21
言語 C90
(gcc 11.4.0)
結果
AC  
実行時間 2,735 ms / 4,500 ms
コード長 403 bytes
コンパイル時間 1,067 ms
コンパイル使用メモリ 24,408 KB
実行使用メモリ 4,380 KB
最終ジャッジ日時 2023-09-05 10:43:58
合計ジャッジ時間 11,284 ms
ジャッジサーバーID
(参考情報)
judge15 / judge11
このコードへのチャレンジ(β)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
4,380 KB
testcase_01 AC 0 ms
4,376 KB
testcase_02 AC 1 ms
4,376 KB
testcase_03 AC 1 ms
4,376 KB
testcase_04 AC 0 ms
4,380 KB
testcase_05 AC 1 ms
4,376 KB
testcase_06 AC 1 ms
4,376 KB
testcase_07 AC 4 ms
4,380 KB
testcase_08 AC 4 ms
4,376 KB
testcase_09 AC 29 ms
4,376 KB
testcase_10 AC 28 ms
4,380 KB
testcase_11 AC 274 ms
4,376 KB
testcase_12 AC 2,735 ms
4,380 KB
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コンパイルメッセージ
main.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
 main(){
 ^~~~
main.c: In function ‘main’:
main.c:3:2: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
  scanf("%d",&m);
  ^~~~~
main.c:3:2: warning: incompatible implicit declaration of built-in function ‘scanf’
main.c:3:2: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:1:1:
+#include <stdio.h>
 main(){
main.c:3:2:
  scanf("%d",&m);
  ^~~~~
main.c:9:6: warning: implicit declaration of function ‘pow’ [-Wimplicit-function-declaration]
    n=pow(t,1./a);
      ^~~
main.c:9:6: warning: incompatible implicit declaration of built-in function ‘pow’
main.c:9:6: note: include ‘<math.h>’ or provide a declaration of ‘pow’
main.c:1:1:
+#include <math.h>
 main(){
main.c:9:6:
    n=pow(t,1./a);
      ^~~
main.c:11:6: warning: implicit declaration of function ‘exp’ [-Wimplicit-function-declaration]
    n=exp(pow(t,1./b));
      ^~~
main.c:11:6: warning: incompatible implicit declaration of built-in function ‘exp’
main.c:11:6: note: include ‘<math.h>’ or provide a declaration of ‘exp’
main.c:11:10: warning: incompatible implicit declaration of built-in function ‘pow’
    n=exp(pow(t,1./b));
          ^~~
main.c:11:10: note: include ‘<math.h>’ or provide a declaration of ‘pow’
main.c:13:14: warning: implicit declaration of function ‘log’ [-Wimplicit-function-declaration]
    double lt=log(t);
              ^~~
main.c:13:14: warning: incompatible implicit declaration of built-in function ‘log’
main.c:13:14: note: include ‘<math.h>’ or provide a declaration of ‘log’
main.c:21:6: warning: incompatible implicit declaration of built-in function ‘exp’
    n=exp(l);
      ^~~
main.c:21:6: note: include ‘<math.h>’ or provide a declaration of ‘exp’
main.c:23:3: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   printf("%.10f\n",n);

ソースコード

diff #

main(){
	int m;
	scanf("%d",&m);
	while(m--){
		int a,b,i;
		double t,n;
		scanf("%d%d%lf",&a,&b,&t);
		if(b==0){
			n=pow(t,1./a);
		} else if(a==0){
			n=exp(pow(t,1./b));
		} else {
			double lt=log(t);
			double l=0.1;
			for(i=30;i>0;--i){
				l-=(a*l+b*log(l)-lt)/(a+b/l) /i;
			}
			for(i=0;i<20;++i){
				l-=(a*l+b*log(l)-lt)/(a+b/l);
			}
			n=exp(l);
		}
		printf("%.10f\n",n);
	}
	return 0;
}
0