Compilare: main.cpp: In function 'int main()': main.cpp:37:48: warning: 'cr' may be used uninitialized [-Wmaybe-uninitialized] 37 | q.push({lr, cr});fr[lr][cr]=1;distr[lr][cr]=1; | ~~~~~~~~~~~~~^~ main.cpp:14:27: note: 'cr' was declared here 14 | int n, m, lj, cj, lr, cr, x, y, tmin; | ^~ main.cpp:37:48: warning: 'lr' may be used uninitialized [-Wmaybe-uninitialized] 37 | q.push({lr, cr});fr[lr][cr]=1;distr[lr][cr]=1; | ~~~~~~~~~~~~~^~ main.cpp:14:23: note: 'lr' was declared here 14 | int n, m, lj, cj, lr, cr, x, y, tmin; | ^~ main.cpp:53:48: warning: 'cj' may be used uninitialized [-Wmaybe-uninitialized] 53 | q.push({lj, cj});fj[lj][cj]=1;distj[lj][cj]=1; | ~~~~~~~~~~~~~^~ main.cpp:14:19: note: 'cj' was declared here 14 | int n, m, lj, cj, lr, cr, x, y, tmin; | ^~ main.cpp:53:48: warning: 'lj' may be used uninitialized [-Wmaybe-uninitialized] 53 | q.push({lj, cj});fj[lj][cj]=1;distj[lj][cj]=1; | ~~~~~~~~~~~~~^~ main.cpp:14:15: note: 'lj' was declared here 14 | int n, m, lj, cj, lr, cr, x, y, tmin; | ^~