Compilare: main.cpp: In function 'void display(std::vector<Node>)': main.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i = 0 ; i < dp.size();i++){ | ~~^~~~~~~~~~~ main.cpp:33:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Word>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int x = 0 ; x < dp[i].child.size();x++){ | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Word>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int right =1 ; right< V.size();right++){ | ~~~~~^~~~~~~~~~ main.cpp:66:62: warning: narrowing conversion of 'dp.std::vector<Node>::operator[](((std::vector<Node>::size_type)right)).Node::child.std::vector<Word>::size()' from 'std::vector<Word>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 66 | M[V[right].end] = {right,dp[right].child.size()}; | ~~~~~~~~~~~~~~~~~~~~^~ main.cpp:69:62: warning: narrowing conversion of 'dp.std::vector<Node>::operator[](((std::vector<Node>::size_type)right)).Node::child.std::vector<Word>::size()' from 'std::vector<Word>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 69 | M[V[right].end] = {right,dp[right].child.size()}; | ~~~~~~~~~~~~~~~~~~~~^~ main.cpp:74:58: warning: narrowing conversion of 'dp.std::vector<Node>::operator[](((std::vector<Node>::size_type)right)).Node::child.std::vector<Word>::size()' from 'std::vector<Word>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 74 | M[V[right].end] = {right,dp[right].child.size()}; | ~~~~~~~~~~~~~~~~~~~~^~ main.cpp:82:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(int i = 0 ; i < dp.size();i++){ | ~~^~~~~~~~~~~ main.cpp:89:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Word>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int x = 0 ; x < dp[maxPos].child.size();x++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:41:9: warning: unused variable 'i' [-Wunused-variable] 41 | int i=1,nrMatch=0; | ^ main.cpp:41:13: warning: unused variable 'nrMatch' [-Wunused-variable] 41 | int i=1,nrMatch=0; | ^~~~~~~