Compilare: main.cpp:16:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main () ^ main.cpp: In function 'int main()': main.cpp:20:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int c = 2; c <= N; c++) ^~~ main.cpp:22:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int c = 2; c <= N; c++){ ^~~ main.cpp:18:10: warning: unused variable 's' [-Wunused-variable] int N, s = 0, vector[MAX], sol = 0; ^