Eroare de compilare: main.cpp: In function 'int main()': main.cpp:12:16: warning: right operand of comma operator has no effect [-Wunused-value] for (a = 1, a <= n, a++) ~~^~~~ main.cpp:12:25: error: expected ';' before ')' token for (a = 1, a <= n, a++) ^ main.cpp:29:1: error: expected primary-expression at end of input } ^ main.cpp:29:1: error: expected ';' at end of input main.cpp:29:1: error: expected primary-expression at end of input main.cpp:29:1: error: expected ')' at end of input main.cpp:29:1: error: expected statement at end of input main.cpp:12:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (a = 1, a <= n, a++) ^~~ cc1plus: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' main.cpp:10:9: warning: unused variable 'nr' [-Wunused-variable] int n, nr = n * n, a, b; ^~ main.cpp:10:24: warning: unused variable 'b' [-Wunused-variable] int n, nr = n * n, a, b; ^ main.cpp:29:1: error: expected '}' at end of input } ^ Non zero exit status: 1