Main.cc: In function ‘bool sub1::chk(ll)’: Main.cc:14:35: error: no matching function for call to ‘max(int, ll)’ res += max(0, x - a[i]); ^ In file included from /usr/include/c++/7/bits/char_traits.h:39:0, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/7/bits/stl_algobase.h:219:5: note: candidate: template const _Tp& std::max(const _Tp&, const _Tp&) max(const _Tp& __a, const _Tp& __b) ^~~ /usr/include/c++/7/bits/stl_algobase.h:219:5: note: template argument deduction/substitution failed: Main.cc:14:35: note: deduced conflicting types for parameter ‘const _Tp’ (‘int’ and ‘ll {aka long long int}’) res += max(0, x - a[i]); ^ In file included from /usr/include/c++/7/bits/char_traits.h:39:0, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/7/bits/stl_algobase.h:265:5: note: candidate: template const _Tp& std::max(const _Tp&, const _Tp&, _Compare) max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^~~ /usr/include/c++/7/bits/stl_algobase.h:265:5: note: template argument deduction/substitution failed: Main.cc:14:35: note: deduced conflicting types for parameter ‘const _Tp’ (‘int’ and ‘ll {aka long long int}’) res += max(0, x - a[i]); ^ In file included from /usr/include/c++/7/algorithm:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65, from Main.cc:1: /usr/include/c++/7/bits/stl_algo.h:3462:5: note: candidate: template _Tp std::max(std::initializer_list<_Tp>) max(initializer_list<_Tp> __l) ^~~ /usr/include/c++/7/bits/stl_algo.h:3462:5: note: template argument deduction/substitution failed: Main.cc:14:35: note: mismatched types ‘std::initializer_list<_Tp>’ and ‘int’ res += max(0, x - a[i]); ^ In file included from /usr/include/c++/7/algorithm:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65, from Main.cc:1: /usr/include/c++/7/bits/stl_algo.h:3468:5: note: candidate: template _Tp std::max(std::initializer_list<_Tp>, _Compare) max(initializer_list<_Tp> __l, _Compare __comp) ^~~ /usr/include/c++/7/bits/stl_algo.h:3468:5: note: template argument deduction/substitution failed: Main.cc:14:35: note: mismatched types ‘std::initializer_list<_Tp>’ and ‘int’ res += max(0, x - a[i]); ^ Main.cc: In function ‘void sub1::Main()’: Main.cc:26:26: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘ll {aka long long int}’ [-Wformat=] printf("%d\n", lt); ^ Main.cc: In function ‘void slv()’: Main.cc:84:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < lp.size(); i++) a[++tp] = lp[i]; ~~^~~~~~~~~~~ Main.cc:56:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &m, &L); ~~~~~^~~~~~~~~~~~~~~~~~~~~~ Main.cc:59:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int u, v, w; scanf("%d%d%d", &u, &v, &w); ~~~~~^~~~~~~~~~~~~~~~~~~~~~ Main.cc:71:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int u, v, w; scanf("%d%d%d", &u, &v, &w); ~~~~~^~~~~~~~~~~~~~~~~~~~~~ Main.cc: In function ‘int main()’: Main.cc:88:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int id, T; scanf("%d%d", &id, &T); ~~~~~^~~~~~~~~~~~~~~~~