Compilare: main.cpp: In function 'void zalg1()': main.cpp:32:9: warning: unused variable 'zmax' [-Wunused-variable] int zmax=0; ^~~~ main.cpp: In function 'void zalg2()': main.cpp:77:9: warning: unused variable 'zmax' [-Wunused-variable] int zmax=0; ^~~~ main.cpp: In function 'int main()': main.cpp:106:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("superstring.in","r",stdin); ^ main.cpp:107:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("superstring.out","w",stdout); ^ main.cpp:109:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ main.cpp:113:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ main.cpp:114:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",a); ^ main.cpp:115:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ main.cpp:116:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",b); ^