Borderou de evaluare (job #655871)

Compilare: main.cpp: In function 'int main()': main.cpp:21:21: warning: statement has no effect [-Wunused-value] 21 | for(c; c <= spirals + i; ++c){ | ^ main.cpp:25:21: warning: statement has no effect [-Wunused-value] 25 | for(r; r <= spirals + i; ++r){ | ^ main.cpp:29:21: warning: statement has no effect [-Wunused-value] 29 | for(c; c >= spirals - i; --c){ | ^ main.cpp:33:21: warning: statement has no effect [-Wunused-value] 33 | for(r; r >= spirals - i; --r){ | ^