Compilare: main.c: In function 'readGraph': main.c:65:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type] 65 | return; | ^~~~~~ main.c:60:7: note: declared here 60 | graph readGraph(const char* filename) { | ^~~~~~~~~ main.c:66:14: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long int *' [-Wformat=] 66 | fscanf(f, "%d %d\n", &newGraph.numNodes, &newGraph.numEdges); | ~^ ~~~~~~~~~~~~~~~~~~ | | | | int * long int * | %ld main.c:66:17: warning: format '%d' expects argument of type 'int *', but argument 4 has type 'long int *' [-Wformat=] 66 | fscanf(f, "%d %d\n", &newGraph.numNodes, &newGraph.numEdges); | ~^ ~~~~~~~~~~~~~~~~~~ | | | | int * long int * | %ld main.c:83:15: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long int *' [-Wformat=] 83 | fscanf(f, "%d %d %d\n", &aux_i, &aux_j, &cost); | ~^ ~~~~~~ | | | | int * long int * | %ld main.c:83:18: warning: format '%d' expects argument of type 'int *', but argument 4 has type 'long int *' [-Wformat=] 83 | fscanf(f, "%d %d %d\n", &aux_i, &aux_j, &cost); | ~^ ~~~~~~ | | | | int * long int * | %ld main.c:83:21: warning: format '%d' expects argument of type 'int *', but argument 5 has type 'long int *' [-Wformat=] 83 | fscanf(f, "%d %d %d\n", &aux_i, &aux_j, &cost); | ~^ ~~~~~ | | | | int * long int * | %ld main.c: In function 'dijkstra': main.c:119:50: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types] 119 | qsort(priorityQueue, queueIndex, sizeof(list), cmpList); | ^~~~~~~ | | | long int (*)(const void *, const void *) In file included from main.c:3: /usr/include/stdlib.h:831:20: note: expected '__compar_fn_t' {aka 'int (*)(const void *, const void *)'} but argument is of type 'long int (*)(const void *, const void *)' 831 | __compar_fn_t __compar) __nonnull ((1, 4)); | ~~~~~~~~~~~~~~^~~~~~~~ main.c:128:19: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=] 128 | fprintf(out, "%d ", NDP[i].d); | ~^ ~~~~~~~~