Compilare: main.cpp: In function 'int main()': main.cpp:31:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | while ((p1<dp[lx].size()||p2<dp[ly].size()||p3<dp[lz].size())&&cnt<k) | ~~^~~~~~~~~~~~~~ main.cpp:31:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | while ((p1<dp[lx].size()||p2<dp[ly].size()||p3<dp[lz].size())&&cnt<k) | ~~^~~~~~~~~~~~~~ main.cpp:31:55: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | while ((p1<dp[lx].size()||p2<dp[ly].size()||p3<dp[lz].size())&&cnt<k) | ~~^~~~~~~~~~~~~~ main.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (p1<dp[lx].size()&&cnt!=0&&dp[lx][p1]+sx==dp[l][cnt-1]) | ~~^~~~~~~~~~~~~~ main.cpp:35:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | if (p2<dp[ly].size()&&cnt!=0&&dp[ly][p2]+sy==dp[l][cnt-1]) | ~~^~~~~~~~~~~~~~ main.cpp:37:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if (p3<dp[lz].size()&&cnt!=0&&dp[lz][p3]+sz==dp[l][cnt-1]) | ~~^~~~~~~~~~~~~~ main.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | if (p1<dp[lx].size()&&(p2==dp[ly].size()||dp[lx][p1]+sx<=dp[ly][p2]+sy)&&(p3==dp[lz].size()||dp[lx][p1]+sx<=dp[lz][p3]+sz)) | ~~^~~~~~~~~~~~~~ main.cpp:39:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | if (p1<dp[lx].size()&&(p2==dp[ly].size()||dp[lx][p1]+sx<=dp[ly][p2]+sy)&&(p3==dp[lz].size()||dp[lx][p1]+sx<=dp[lz][p3]+sz)) | ~~^~~~~~~~~~~~~~~ main.cpp:39:89: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | if (p1<dp[lx].size()&&(p2==dp[ly].size()||dp[lx][p1]+sx<=dp[ly][p2]+sy)&&(p3==dp[lz].size()||dp[lx][p1]+sx<=dp[lz][p3]+sz)) | ~~^~~~~~~~~~~~~~~ main.cpp:41:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | if (cnt>=dp[l].size()) dp[l].push_back(-1); | ~~~^~~~~~~~~~~~~~ main.cpp:46:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | else if (p2<dp[ly].size()&&(p1==dp[lx].size()||dp[ly][p2]+sy<=dp[lx][p1]+sx)&&(p3==dp[lz].size()||dp[ly][p2]+sy<=dp[lz][p3]+sz)) | ~~^~~~~~~~~~~~~~ main.cpp:46:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | else if (p2<dp[ly].size()&&(p1==dp[lx].size()||dp[ly][p2]+sy<=dp[lx][p1]+sx)&&(p3==dp[lz].size()||dp[ly][p2]+sy<=dp[lz][p3]+sz)) | ~~^~~~~~~~~~~~~~~ main.cpp:46:94: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | else if (p2<dp[ly].size()&&(p1==dp[lx].size()||dp[ly][p2]+sy<=dp[lx][p1]+sx)&&(p3==dp[lz].size()||dp[ly][p2]+sy<=dp[lz][p3]+sz)) | ~~^~~~~~~~~~~~~~~ main.cpp:48:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | if (cnt>=dp[l].size()) dp[l].push_back(-1); | ~~~^~~~~~~~~~~~~~ main.cpp:55:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if (cnt>=dp[l].size()) dp[l].push_back(-1); | ~~~^~~~~~~~~~~~~~ main.cpp:62:23: warning: comparison of integer expressions of different signedness: 'std::vector<double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 62 | if (dp[n%4].size()<k)cout<<-1<<'\n'; | ~~~~~~~~~~~~~~^~