From: hackbard Date: Thu, 6 Jun 2002 11:02:46 +0000 (+0000) Subject: moved test/* to beginners/ directory X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;h=2473d40268a211cffc6bfbd8a19e66fce838c236;p=my-code%2Fbeginners.git moved test/* to beginners/ directory --- diff --git a/asci.c b/asci.c new file mode 100644 index 0000000..f679e51 --- /dev/null +++ b/asci.c @@ -0,0 +1,10 @@ +#include + +main() +{ +int i; +for (i=0; i<=530; ++i) + { + printf("%d = %c\n",i, (char)(i)); + } +} diff --git a/ggt.c b/ggt.c new file mode 100644 index 0000000..b15e0f8 --- /dev/null +++ b/ggt.c @@ -0,0 +1,37 @@ +/* program to calculate the ggt of two integers */ + +/* we include headers */ +#include + +main() +{ + +/* declaration of variables */ +int zaehler, nenner; + +printf("Zaehler: "); +scanf("%d",&zaehler); +printf("Nenner: "); +scanf("%d",&nenner); + +if ( nenner == 0 ) + { + printf("never devide through zero, lamer :p\n"); + exit(0); + } +else + { + while ( zaehler != nenner ) + { + if ( zaehler > nenner ) + { + zaehler = zaehler - nenner; + } + else + { + nenner = nenner - zaehler; + } + } + printf("ggt = %d\n",zaehler); + } +} diff --git a/pie.c b/pie.c new file mode 100644 index 0000000..1039689 --- /dev/null +++ b/pie.c @@ -0,0 +1,55 @@ +#include +#include +#include + +int counter1; +float counter2; +int steps; +int hits; +float x; +float x2; +float y; +float y2; +float pie; +char stepschar[100]; + +int main() +{ + + printf("\n"); + printf("\n"); + printf("Berechne Pie...\n"); + printf("\n"); + printf("Genauigkeit - [steps] ? : "); + + fgets(stepschar, sizeof(stepschar), stdin); + sscanf(stepschar, "%d", &steps); + + counter2 = 0; + hits = 0; + + for (counter1 = 1; counter1 <= steps; ++counter1) + { + x = rand( ); + y = rand( ); + + x2 = x / RAND_MAX; + y2 = y / RAND_MAX; + + printf("%7d. Vektor: ( %f , %f )\n", counter1, x2, y2); + + if( ( x2 * x2 + y2 * y2) <= 1 ) + ++hits; + + counter2 = counter2 + x2 + y2; + + } + + pie = (4.0 * hits) / steps; + + printf("\n"); + printf("\tPie :\t %1.8f\n", pie); + printf("\tProbe:\t %1.8f (nah an 0.5 ?...)\n\n", counter2 / ( 2.0 * steps )); + +return (0); +} diff --git a/pie_improved.c b/pie_improved.c new file mode 100644 index 0000000..860c816 --- /dev/null +++ b/pie_improved.c @@ -0,0 +1,63 @@ +#include +#include +#include + +int counter1; +// float counter3; +float counter2; +int steps; +int hits; +float x; +float x2; +float y; +float y2; +float pie; +float pie2; +char stepschar[100]; + +int main() +{ + + printf("\n"); + printf("\n"); + printf("Berechne Pie...\n"); + printf("\n"); + printf("Genauigkeit - [steps] ? : "); + + fgets(stepschar, sizeof(stepschar), stdin); + sscanf(stepschar, "%d", &steps); + + counter2 = 0; + hits = 0; + pie2 = 1; + + for (counter1 = 1; counter1 <= steps; ++counter1) + { + x = rand( ); + y = rand( ); + + x2 = x / RAND_MAX; + y2 = y / RAND_MAX; + + printf("%7d. Vektor: ( %f , %f )\n", counter1, x2, y2); + + if( ( x2 * x2 + y2 * y2) <= 1 ) + ++hits; + + // counter3 = counter1; + + pie2 = pie2 * ((float)(( 2 * counter1 ) * ( 2 * counter1 )) / (float)((( 2 * counter1 ) * ( 2 * counter1 )) - 1 )); + + counter2 = counter2 + x2 + y2; + } + + pie = (4.0 * hits) / steps; + pie2 = 2 * pie2; + + printf("\n"); + printf("\tPie :\t %1.8f\n", pie); + printf("\tProbe:\t %1.8f (nah an 0.5 ?...)\n\n", counter2 / ( 2.0 * steps )); + printf("\tAus Rekursion:\t %1.8f\n", pie2); + +return (0); +}