Compilare: main.cpp: In function 'void BFSFill(Point, short int (*)[62])': main.cpp:52:117: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | if(m[cur.r + dir.r][cur.c + dir.c] != WALL && cost[cur.r + dir.r][cur.c + dir.c] > cost[cur.r][cur.c] + 1){ | ~~~~^ main.cpp:52:124: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | if(m[cur.r + dir.r][cur.c + dir.c] != WALL && cost[cur.r + dir.r][cur.c + dir.c] > cost[cur.r][cur.c] + 1){ | ~~~~^ main.cpp:53:79: warning: array subscript has type 'char' [-Wchar-subscripts] 53 | cost[cur.r + dir.r][cur.c + dir.c] = cost[cur.r][cur.c] + 1; | ~~~~^ main.cpp:53:86: warning: array subscript has type 'char' [-Wchar-subscripts] 53 | cost[cur.r + dir.r][cur.c + dir.c] = cost[cur.r][cur.c] + 1; | ~~~~^ main.cpp:54:47: warning: narrowing conversion of '(((int)cur.Point::r) + ((int)dir.Point::r))' from 'int' to 'char' [-Wnarrowing] 54 | q.push({cur.r + dir.r, cur.c + dir.c}); | ~~~~~~^~~~~~~ main.cpp:54:62: warning: narrowing conversion of '(((int)cur.Point::c) + ((int)dir.Point::c))' from 'int' to 'char' [-Wnarrowing] 54 | q.push({cur.r + dir.r, cur.c + dir.c}); | ~~~~~~^~~~~~~ main.cpp: In function 'int main()': main.cpp:112:50: warning: narrowing conversion of 'r' from 'int' to 'char' [-Wnarrowing] 112 | BFSFill({r, c}, fuel[pos[m[r][c] - OFFSET]][pos[m[r][c] - OFFSET]]); | ^ main.cpp:112:53: warning: narrowing conversion of 'c' from 'int' to 'char' [-Wnarrowing] 112 | BFSFill({r, c}, fuel[pos[m[r][c] - OFFSET]][pos[m[r][c] - OFFSET]]); | ^ main.cpp:125:58: warning: narrowing conversion of 'r' from 'int' to 'char' [-Wnarrowing] 125 | BFSFill({r, c}, fuel[i][j]); | ^ main.cpp:125:61: warning: narrowing conversion of 'c' from 'int' to 'char' [-Wnarrowing] 125 | BFSFill({r, c}, fuel[i][j]); | ^