Eroare de compilare: user.c: In function ‘main’: user.c:4:5: warning: implicit declaration of function ‘tanf’ [-Wimplicit-function-declaration] freopen("zmeu2.in","r",stdin),freopen("zmeu2.out","w",stdout),tanf("%d%d%d",&n,&p,&k); ^ user.c:4:67: warning: incompatible implicit declaration of built-in function ‘tanf’ [enabled by default] freopen("zmeu2.in","r",stdin),freopen("zmeu2.out","w",stdout),tanf("%d%d%d",&n,&p,&k); ^ user.c:4:5: error: incompatible type for argument 1 of ‘tanf’ freopen("zmeu2.in","r",stdin),freopen("zmeu2.out","w",stdout),tanf("%d%d%d",&n,&p,&k); ^ user.c:4:5: note: expected ‘float’ but argument is of type ‘char *’ user.c:4:5: error: too many arguments to function ‘tanf’ user.c:4:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("zmeu2.in","r",stdin),freopen("zmeu2.out","w",stdout),tanf("%d%d%d",&n,&p,&k); ^ user.c:4:42: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("zmeu2.in","r",stdin),freopen("zmeu2.out","w",stdout),tanf("%d%d%d",&n,&p,&k); ^ user.c:9:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",d+i,c+i); ^ user.c:11:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&i,&j),g[i][j]=0; ^