Compilare: user.cpp: In function ‘void fill(pair)’: user.cpp:44:22: warning: narrowing conversion of ‘(((int)node.pair::l) + ((int)delta[i][0]))’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] next = {node.l + delta[i][0], node.c + delta[i][1]}; ^ user.cpp:44:44: warning: narrowing conversion of ‘(((int)node.pair::c) + ((int)delta[i][1]))’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] next = {node.l + delta[i][0], node.c + delta[i][1]}; ^ user.cpp: In function ‘void bfs(pair)’: user.cpp:67:22: warning: narrowing conversion of ‘(((int)node.pair::l) + ((int)delta[i][0]))’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] next = {node.l + delta[i][0], node.c + delta[i][1]}; ^ user.cpp:67:44: warning: narrowing conversion of ‘(((int)node.pair::c) + ((int)delta[i][1]))’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] next = {node.l + delta[i][0], node.c + delta[i][1]}; ^ user.cpp: In function ‘int main()’: user.cpp:80:82: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘short int*’ [-Wformat=] fscanf(f, "%d %d %d %d %d %d", &N, &M, &start.l, &start.c, &finish.l, &finish.c); ^ user.cpp:80:82: warning: format ‘%d’ expects argument of type ‘int*’, but argument 6 has type ‘short int*’ [-Wformat=] user.cpp:80:82: warning: format ‘%d’ expects argument of type ‘int*’, but argument 7 has type ‘short int*’ [-Wformat=] user.cpp:80:82: warning: format ‘%d’ expects argument of type ‘int*’, but argument 8 has type ‘short int*’ [-Wformat=] user.cpp:83:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(f, "%d", &tree[i][j]); ^ user.cpp:77:13: warning: unused variable ‘x’ [-Wunused-variable] int i, j, x; ^ user.cpp:80:83: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d %d %d %d", &N, &M, &start.l, &start.c, &finish.l, &finish.c); ^ user.cpp:83:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &tree[i][j]); ^ user.cpp:102:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padure.out", "w", stdout); ^