Compilare: user.cpp: In function ‘pair bellFord(cell, cell)’: user.cpp:107:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] return d[v.l][v.c]; ^ user.cpp:107:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] return d[v.l][v.c]; ^ user.cpp: In function ‘int main()’: user.cpp:126:68: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(f, "%d %d %d %d", &start.l, &start.c, &finish.l, &finish.c); ^ user.cpp:126:68: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘char*’ [-Wformat=] user.cpp:126:68: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘char*’ [-Wformat=] user.cpp:126:68: warning: format ‘%d’ expects argument of type ‘int*’, but argument 6 has type ‘char*’ [-Wformat=] user.cpp:119:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %lf", &N, &M, &L); ^ user.cpp:122:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &h[i][j]); ^ user.cpp:126:69: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d %d", &start.l, &start.c, &finish.l, &finish.c); ^ user.cpp:132:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("excursie.out", "w", stdout); ^