Compilare: main.cpp:6:0: warning: ignoring #pragma 03 [-Wunknown-pragmas] #pragma 03 main.cpp: In function 'void read()': main.cpp:63:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l!=sqr.size()) { ~^~~~~~~~~~~~ main.cpp: In function 'bool operator<(const vi&, const vi&)': main.cpp:20:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define rep(i, n) for (int i=0; i<(n); i++) ^ main.cpp:78:5: note: in expansion of macro 'rep' rep(i, min(lhs.size(), rhs.size())) if(lhs[i]<rhs[i]) return 1; ^~~ main.cpp: In function 'void dijkstra(int, int)': main.cpp:21:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define rep1(i, n) for (int i=1; i<=(n); i++) ^ main.cpp:99:5: note: in expansion of macro 'rep1' rep1(i, path[dest].size()-2) cout<<path[dest][i]<<' '; cout<<endl; ^~~~ main.cpp:21:20: warning: this 'for' clause does not guard... [-Wmisleading-indentation] #define rep1(i, n) for (int i=1; i<=(n); i++) ^ main.cpp:99:5: note: in expansion of macro 'rep1' rep1(i, path[dest].size()-2) cout<<path[dest][i]<<' '; cout<<endl; ^~~~ main.cpp:99:60: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' rep1(i, path[dest].size()-2) cout<<path[dest][i]<<' '; cout<<endl; ^~~~ main.cpp: In function 'int32_t main()': main.cpp:103:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("suma4.in", "r", stdin); freopen("suma4.out", "w", stdout); ^ main.cpp:103:71: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("suma4.in", "r", stdin); freopen("suma4.out", "w", stdout); ^