exo1 fini

exo1/racine.c

@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#define LIMIT 256
+
+long racineCarree(long n){
+	for(long i=0; i<(n/2); i++){
+		if((i*i)==n){
+			return i;
+		}
+	}
+	return -1;
+}
+
+long* racineCarreeTab(long* tab, int count){
+	long* rst = (long*) malloc(LIMIT*sizeof(long));
+	for(long i=0; i<count; i++){
+		rst[i] = racineCarree(tab[i]);
+	}
+	return rst;
+}
+
+
+int main(int argc, char** argv){
+	/*variables*/
+	long* tab = (long*) malloc(LIMIT*sizeof(long));
+	long* rst = (long*) malloc(LIMIT*sizeof(long));
+	int count = 0;
+
+	/*tests*/
+	if(argc < 2){
+		printf("USAGE:./a.out <entier(s) strictement(s) positif(s)>\n");
+		return EXIT_FAILURE;
+	}
+
+	for(int i=1; i<argc; i++){
+		if((strtol(argv[i], NULL, 10)<0)||(strtol(argv[i], NULL, 10)==0L)){
+			printf("FORMAT:entier strictement positif\n");
+			return EXIT_FAILURE;
+		}
+		tab[i-1] = strtol(argv[i], NULL, 10);
+		count++;
+	}
+
+	/*prog*/
+	if(argc == 2){
+		printf("racineCarree de %ld = %ld\n", strtol(argv[1], NULL, 10), racineCarree(strtol(argv[1], NULL, 10)));
+	} else {
+		rst = racineCarreeTab(tab, count);
+		printf("racineCarreeTab : \n");
+		for(int i=0; i<count; i++){
+			printf("	. racine de %ld = %ld\n", tab[i], rst[i]);
+		}
+	}
+
+	return EXIT_SUCCESS;
+}