keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:65:5: note: in expansion of macro 'rep'
65 | rep(i, 0, u.size() - 1){
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:72:5: note: in expansion of macro 'rep'
72 | rep(cuarto, 0, r.size() - 1) if (hijos[cuarto].size() == 0){
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:77:9: note: in expansion of macro 'rep'
77 | rep(cuarto, 0, r.size() - 1) if (hijos[cuarto].size() > 0) ans[cuarto] = 0;
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:84:5: note: in expansion of macro 'rep'
84 | rep(cuarto, 0, r.size() - 1) ciclo[cuarto] = -1;
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:85:5: note: in expansion of macro 'rep'
85 | rep(cuarto, 0, r.size() - 1) if (!visitado[cuarto]) dfs(cuarto);
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:87:5: note: in expansion of macro 'rep'
87 | rep(cuarto, 0, r.size() - 1){
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:98:5: note: in expansion of macro 'rep'
98 | rep(cuarto, 0, r.size() - 1) hijos[cuarto].clear();
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:99:5: note: in expansion of macro 'rep'
99 | rep(i, 0, c.size() - 1){
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:167:13: note: in expansion of macro 'rep'
167 | rep(i, 0, r.size() - 1){
| ^~~
keys.cpp:7:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for(lli i = (a); i <= (b); ++i)
| ^
keys.cpp:173:13: note: in expansion of macro 'rep'
173 | rep(i, 0, r.size() - 1) if (vis[i] == 1) ans[i] = 1;
| ^~~