Compilare: main.cpp: In function 'int main()': main.cpp:11:12: warning: statement has no effect [-Wunused-value] 11 | r >> l >> c; | ~~~~~~~^~~~ main.cpp:16:15: warning: statement has no effect [-Wunused-value] 16 | r >> m[i][j]; | ~~^~~~~~~~~~ main.cpp:12:23: warning: 'l' is used uninitialized in this function [-Wuninitialized] 12 | for (int i = 1; i <= l; i++) | ~~^~~~ main.cpp:10:12: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] 10 | int l, c, mx, ap, sum, r = -2000000003, rap = 0; | ^