Compilare: main.cpp:6:40: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 6 | #pragma GCC optimize("O3, unroll-loops") | ^ main.cpp:23:18: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 23 | inline void read() | ^ main.cpp:36:19: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 36 | void dfsT(int node) | ^ main.cpp:44:27: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 44 | void dfs(int node, int cnt) | ^ main.cpp:52:22: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 52 | inline void kosaraju() | ^ main.cpp:74:25: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 74 | void topsortDfs(int node) | ^ main.cpp:82:21: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 82 | inline void topSort() | ^ main.cpp: In function 'void topSort()': main.cpp:90:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int i=0; i<st.size(); ++i) | ~^~~~~~~~~~ main.cpp:98:65: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 98 | std::sort(srt[i].begin(), srt[i].end(), [&](int a, int b){ | ^ main.cpp: At global scope: main.cpp:104:34: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 104 | void dfsTree(int node, int parent) | ^ main.cpp:129:23: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 129 | void dfsJumps(int node) | ^ main.cpp:139:15: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 139 | void makeTree() | ^ main.cpp:148:17: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 148 | inline void RMQ() | ^ main.cpp: In function 'void RMQ()': main.cpp:154:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for(int i=0; i<eulerTour.size(); ++i) | ~^~~~~~~~~~~~~~~~~ main.cpp:157:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for(int j=1; (1<<j)<eulerTour.size(); ++j) | ~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:158:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for(int i=0; i+(1<<j)-1<eulerTour.size(); ++i)