Eroare de compilare: main.c:3:1: error: unknown type name 'using' using namespace std; ^~~~~ main.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std' using namespace std; ^~~ main.c: In function 'main': main.c:13:43: warning: implicit declaration of function 'max' [-Wimplicit-function-declaration] s[i][j]=(x[i]==y[j]?1+s[i-1][j-1]:max(s[i][j-1],s[i-1][j])); ^~~ main.c:6:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("cmlsc.in","r",stdin),freopen("cmlsc.out","w",stdout),scanf("%hd%hd",&n,&m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:35: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("cmlsc.in","r",stdin),freopen("cmlsc.out","w",stdout),scanf("%hd%hd",&n,&m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:67: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("cmlsc.in","r",stdin),freopen("cmlsc.out","w",stdout),scanf("%hd%hd",&n,&m); ^~~~~~~~~~~~~~~~~~~~~ main.c:8:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd",&x[i]); ^~~~~~~~~~~~~~~~~~ main.c:10:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd",&y[i]); ^~~~~~~~~~~~~~~~~~ Non zero exit status: 1