Compilare: main.cpp: In function 'int main()': main.cpp:107:18: warning: 'j_end' may be used uninitialized [-Wmaybe-uninitialized] 107 | int ans = b_s(i_start, j_start, i_end, j_end); | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:34: note: 'j_end' was declared here 65 | int i_start, j_start, i_end, j_end; | ^~~~~ main.cpp:107:18: warning: 'i_end' may be used uninitialized [-Wmaybe-uninitialized] 107 | int ans = b_s(i_start, j_start, i_end, j_end); | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:27: note: 'i_end' was declared here 65 | int i_start, j_start, i_end, j_end; | ^~~~~ main.cpp:107:18: warning: 'j_start' may be used uninitialized [-Wmaybe-uninitialized] 107 | int ans = b_s(i_start, j_start, i_end, j_end); | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:18: note: 'j_start' was declared here 65 | int i_start, j_start, i_end, j_end; | ^~~~~~~ main.cpp:107:18: warning: 'i_start' may be used uninitialized [-Wmaybe-uninitialized] 107 | int ans = b_s(i_start, j_start, i_end, j_end); | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:9: note: 'i_start' was declared here 65 | int i_start, j_start, i_end, j_end; | ^~~~~~~