Compilare: main.cpp: In function 'void Dijkstra1()': main.cpp:116:33: warning: narrowing conversion of 'L1' from 'int' to 'short int' inside { } [-Wnarrowing] dq[++dr] = {L1, C1, k, 0}; ^ main.cpp:116:33: warning: narrowing conversion of 'C1' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:116:33: warning: narrowing conversion of 'k' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:138:60: warning: narrowing conversion of 'xx' from 'int' to 'short int' inside { } [-Wnarrowing] dq[--st] = {xx, yy, k, current.cost}; ^ main.cpp:138:60: warning: narrowing conversion of 'yy' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:138:60: warning: narrowing conversion of 'k' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:140:64: warning: narrowing conversion of 'xx' from 'int' to 'short int' inside { } [-Wnarrowing] dq[++dr] = {xx, yy, k, current.cost + 1}; ^ main.cpp:140:64: warning: narrowing conversion of 'yy' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:140:64: warning: narrowing conversion of 'k' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp: In function 'void Dijkstra2()': main.cpp:163:33: warning: narrowing conversion of 'L2' from 'int' to 'short int' inside { } [-Wnarrowing] dq[++dr] = {L2, C2, k, 0}; ^ main.cpp:163:33: warning: narrowing conversion of 'C2' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:163:33: warning: narrowing conversion of 'k' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:185:60: warning: narrowing conversion of 'xx' from 'int' to 'short int' inside { } [-Wnarrowing] dq[--st] = {xx, yy, k, current.cost}; ^ main.cpp:185:60: warning: narrowing conversion of 'yy' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:185:60: warning: narrowing conversion of 'k' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:187:64: warning: narrowing conversion of 'xx' from 'int' to 'short int' inside { } [-Wnarrowing] dq[++dr] = {xx, yy, k, current.cost + 1}; ^ main.cpp:187:64: warning: narrowing conversion of 'yy' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:187:64: warning: narrowing conversion of 'k' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp: In member function 'char InParser::read_ch()': main.cpp:20:38: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^