Compilare: user.cpp: In function ‘int main()’: user.cpp:16:34: warning: unused variable ‘l’ [-Wunused-variable] int n, m, lc, cc, i, sf, in, l, pix, piy, pfx, pfy, col, lin, j, min, linn, coll,x ; ^ user.cpp:16:57: warning: unused variable ‘col’ [-Wunused-variable] int n, m, lc, cc, i, sf, in, l, pix, piy, pfx, pfy, col, lin, j, min, linn, coll,x ; ^ user.cpp:16:62: warning: unused variable ‘lin’ [-Wunused-variable] int n, m, lc, cc, i, sf, in, l, pix, piy, pfx, pfy, col, lin, j, min, linn, coll,x ; ^ user.cpp:21:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d %d", &n, &m); ^ user.cpp:22:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%c", &c); ^ user.cpp:24:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%c", &c); ^ user.cpp:40:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%c", &c); ^ user.cpp:75:21: warning: ‘pfy’ may be used uninitialized in this function [-Wmaybe-uninitialized] coada[1].lin=pfy; ^ user.cpp:76:21: warning: ‘pfx’ may be used uninitialized in this function [-Wmaybe-uninitialized] coada[1].col=pfx; ^ user.cpp:58:21: warning: ‘piy’ may be used uninitialized in this function [-Wmaybe-uninitialized] coada[1].lin=piy; ^ user.cpp:59:21: warning: ‘pix’ may be used uninitialized in this function [-Wmaybe-uninitialized] coada[1].col=pix; ^