Compilare: main.cpp: In function 'void df(int)': main.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i=0;i<g[x].size();++i) | ~^~~~~~~~~~~~ main.cpp: In function 'void df2(int)': main.cpp:29:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for (int i=0;i<G[x].size();++i) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfff(int)': main.cpp:37:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i=0;i<vv[x].size();++i) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:77:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (j=0;j<c[i].size();++j) | ~^~~~~~~~~~~~ main.cpp:78:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (k=0;k<g[c[i][j]].size();++k) | ~^~~~~~~~~~~~~~~~~~ main.cpp:90:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for (j=0;j<c[t[i]].size();++j) | ~^~~~~~~~~~~~~~~ main.cpp:93:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for (k=0;k<G[c[t[i]][j]].size();++k) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:127:14: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 127 | {for (trrt=j+1;trrt<=m+1;++trrt) | ^~~ main.cpp:128:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 128 | aa[k][trrt]-=aa[k][j]*aa[iri][trrt];aa[k][j]=0;} | ^~ main.cpp:167:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 167 | for (j=0;j<c[t[i]].size();++j) | ~^~~~~~~~~~~~~~~ main.cpp:170:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 170 | for (k=0;k<G[c[t[i]][j]].size();++k) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:204:14: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 204 | {for (trrt=j+1;trrt<=m+1;++trrt) | ^~~ main.cpp:205:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 205 | aa[k][trrt]-=aa[k][j]*aa[iri][trrt];aa[k][j]=0;} | ^~