Compilare: main.cpp: In function 'int main()': main.cpp:92:10: warning: unused variable 'n' [-Wunused-variable] int t,i1,n,u=0,s1=0,s2=0,i,j; ^ main.cpp:92:12: warning: unused variable 'u' [-Wunused-variable] int t,i1,n,u=0,s1=0,s2=0,i,j; ^ main.cpp:92:16: warning: unused variable 's1' [-Wunused-variable] int t,i1,n,u=0,s1=0,s2=0,i,j; ^~ main.cpp:92:21: warning: unused variable 's2' [-Wunused-variable] int t,i1,n,u=0,s1=0,s2=0,i,j; ^~ main.cpp:92:28: warning: unused variable 'j' [-Wunused-variable] int t,i1,n,u=0,s1=0,s2=0,i,j; ^ main.cpp: In function 'int evaluare(int)': main.cpp:9:22: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(ch+1,258,stdin); ^ main.cpp:88:22: warning: control reaches end of non-void function [-Wreturn-type] rez[tip][i]=eval[1];}} ^ main.cpp: In function 'int main()': main.cpp:90:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("logic.in","r",stdin); ^ main.cpp:91:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("logic.out","w",stdout); ^ main.cpp:93:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&t); ^