Compilare: main.cpp: In function 'int main()': main.cpp:12:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d%d",&aa,&b,&c,&d); ^ main.cpp:11:24: warning: 'p4' may be used uninitialized in this function [-Wmaybe-uninitialized] int p1 , p2 , p3 , p4 , found = 0 , ic , jc; ^~ main.cpp:11:19: warning: 'p3' may be used uninitialized in this function [-Wmaybe-uninitialized] int p1 , p2 , p3 , p4 , found = 0 , ic , jc; ^~ main.cpp:11:14: warning: 'p2' may be used uninitialized in this function [-Wmaybe-uninitialized] int p1 , p2 , p3 , p4 , found = 0 , ic , jc; ^~ main.cpp:190:23: warning: 'jjj' may be used uninitialized in this function [-Wmaybe-uninitialized] jjj ++; ^ main.cpp:189:29: warning: 'iii' may be used uninitialized in this function [-Wmaybe-uninitialized] a[iii][jjj] = nr; ~~~~~~~~~~~~^~~~ main.cpp:166:22: warning: 'jj' may be used uninitialized in this function [-Wmaybe-uninitialized] jj ++; ^ main.cpp:165:27: warning: 'ii' may be used uninitialized in this function [-Wmaybe-uninitialized] a[ii][jj] = nr; ~~~~~~~~~~^~~~ main.cpp:140:25: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] a[i][j] = nr; ~~~~~~~~^~~~ main.cpp:141:21: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] i --; ^ main.cpp:121:21: warning: 'd3' may be used uninitialized in this function [-Wmaybe-uninitialized] while (d1 || d2 || d3){ ~~~~~~~~~^~~~~ main.cpp:121:21: warning: 'd2' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:121:21: warning: 'd1' may be used uninitialized in this function [-Wmaybe-uninitialized]