Compilare: main.cpp: In function 'int main()': main.cpp:59:36: warning: narrowing conversion of '(((int)dt.Data::val) + 1)' from 'int' to 'short int' [-Wnarrowing] 59 | qd.push({i,j,dt.val+1}); | ~~~~~~^~ main.cpp:78:18: warning: 'ej' may be used uninitialized [-Wmaybe-uninitialized] 78 | if(val[ei][ej].second==0){ | ^ main.cpp:26:26: note: 'ej' was declared here 26 | int n,m,i,j,si,sj,ei,ej; | ^~ main.cpp:78:14: warning: 'ei' may be used uninitialized [-Wmaybe-uninitialized] 78 | if(val[ei][ej].second==0){ | ^ main.cpp:26:23: note: 'ei' was declared here 26 | int n,m,i,j,si,sj,ei,ej; | ^~ main.cpp:65:12: warning: 'sj' may be used uninitialized [-Wmaybe-uninitialized] 65 | qd.push({si,sj,INT16_MAX}); | ~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:26:20: note: 'sj' was declared here 26 | int n,m,i,j,si,sj,ei,ej; | ^~ main.cpp:65:12: warning: 'si' may be used uninitialized [-Wmaybe-uninitialized] 65 | qd.push({si,sj,INT16_MAX}); | ~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:26:17: note: 'si' was declared here 26 | int n,m,i,j,si,sj,ei,ej; | ^~