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🧹 use gcc -Wall and fix warnings

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This commit is contained in:
neingeist 2020-01-08 15:23:35 +01:00
parent d5e7efa133
commit 3374508b1f
2 changed files with 4 additions and 3 deletions
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1
Makefile
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@ -1,4 +1,5 @@
TARGETS := springer TARGETS := springer
CC := gcc -Wall
all: $(TARGETS) all: $(TARGETS)

6
springer.c
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@ -8,7 +8,7 @@
int schachbrett[GROESSE][GROESSE]; int schachbrett[GROESSE][GROESSE];
long int zurueck; long int zurueck;
int zeigebrett() { void zeigebrett() {
int y,x; int y,x;
for (y=0;y<GROESSE;y++) { for (y=0;y<GROESSE;y++) {
for (x=0;x<GROESSE;x++) { for (x=0;x<GROESSE;x++) {
@ -25,13 +25,13 @@ int gueltig(int x, int y) {
return 0; return 0;
} }
int springe(int x, int y, int s) { void springe(int x, int y, int s) {
schachbrett[x][y] = s; schachbrett[x][y] = s;
/* printf ("Zug %2d: %d %d\n",s,x,y); */ /* printf ("Zug %2d: %d %d\n",s,x,y); */
if (s==GROESSE*GROESSE) { if (s==GROESSE*GROESSE) {
printf("yeah! %d Züge zurückgenommen!\n", zurueck); printf("yeah! %ld Züge zurückgenommen!\n", zurueck);
zeigebrett(); zeigebrett();
exit(0); exit(0);
} }