Compilare: main.cpp: In function 'void solve()': main.cpp:45:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<v[nod].size(); j++) ~^~~~~~~~~~~~~~ main.cpp:36:10: warning: unused variable 'i' [-Wunused-variable] long i, j, nod, poz; ^ main.cpp: In function 'int main()': main.cpp:74:25: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=] scanf("%d%d", &n, &m); ^ main.cpp:74:25: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long int*' [-Wformat=] main.cpp:77:50: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=] scanf("%d%d%d", &e[i].a, &e[i].b, &e[i].c); ^ main.cpp:77:50: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long int*' [-Wformat=] main.cpp:77:50: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long int*' [-Wformat=] main.cpp:88:30: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=] printf("%d ", cost[i]); ^ main.cpp:72:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bellmanford.in", "r", stdin); ^ main.cpp:73:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bellmanford.out", "w", stdout); ^ main.cpp:74:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:77:51: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &e[i].a, &e[i].b, &e[i].c); ^