Compilare: main.cpp: In function 'void pav(int, int, int)': main.cpp:36:17: warning: statement has no effect [-Wunused-value] m[l/2-1][l/2-1]; ~~~~~~~~~~~~~~^ main.cpp:45:15: warning: statement has no effect [-Wunused-value] m[l/2][l/2-1]; ~~~~~~~~~~~~^ main.cpp:54:13: warning: statement has no effect [-Wunused-value] m[l/2][l/2]; ~~~~~~~~~~^ main.cpp:63:15: warning: statement has no effect [-Wunused-value] m[l/2-1][l/2]; ~~~~~~~~~~~~^ main.cpp: In function 'int main()': main.cpp:68:36: warning: format '%d' expects argument of type 'int*', but argument 5 has type 'int' [-Wformat=] fscanf(in,"%d%d%d",&poww,&tx,ty); ^ main.cpp:68:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d",&poww,&tx,ty); ^