Compilare: user.cpp: In function ‘int main()’: user.cpp:54:51: warning: left shift count >= width of type [-Wshift-count-overflow] cout << (cost[i] == inf) ? 0 : cost[i] << ' '; ^ user.cpp:54:54: warning: second operand of conditional expression has no effect [-Wunused-value] cout << (cost[i] == inf) ? 0 : cost[i] << ' '; ^ user.cpp:54:48: warning: third operand of conditional expression has no effect [-Wunused-value] cout << (cost[i] == inf) ? 0 : cost[i] << ' '; ^ user.cpp:40:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dijkstra.in","r",stdin); ^ user.cpp:41:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dijkstra.out","w",stdout); ^