Compilare: main.cpp: In function 'bool bellmanFordGasescCicluNegativ(int)': main.cpp:20:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 20 | for (size_t i = 1; i <= n; i++) | ~~^~~~ main.cpp: In function 'int main()': main.cpp:70:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 70 | for (size_t i = 0; i < m; i++) | ~~^~~