0_0_36476975_2435.cpp:38:21: error: 'Z' function uses 'auto' type specifier without trailing return type
auto Z(int r,int c=0) {return mat(vec(c?c:r),r);}
^
0_0_36476975_2435.cpp:38:21: note: deduced return type only available with -std=c++1y or -std=gnu++1y
0_0_36476975_2435.cpp:39:13: error: 'E' function uses 'auto' type specifier without trailing return type
auto E(int n) {auto t=Z(n); while(n--)t[n][n]=1; return t;}
^
0_0_36476975_2435.cpp:39:13: note: deduced return type only available with -std=c++1y or -std=gnu++1y
0_0_36476975_2435.cpp:42:47: error: 'operator+' function uses 'auto' type specifier without trailing return type
#define gen(op) auto operator op (mat m,ll k) {for(auto&v:m)v op##=k; return m;}
^
0_0_36476975_2435.cpp:44:1: note: in expansion of macro 'gen'
gen(+) gen(%)
^
0_0_36476975_2435.cpp:42:47: note: deduced return type only available with -std=c++1y or -std=gnu++1y
#define gen(op) auto operator op (mat m,ll k) {for(auto&v:m)v op##=k; return m;}
^
0_0_36476975_2435.cpp:44:1: note: in expansion of macro 'gen'
gen(+) gen(%)
^
0_0_36476975_2435.cpp:42:47: error: 'operator%' function uses 'auto' type specifier without trailing return type
#define gen(op) auto operator op (mat m,ll k) {for(auto&v:m)v op##=k; return m;}
^
0_0_36476975_2435.cpp:44:8: note: in expansion of macro 'gen'
gen(+) gen(%)
^
0_0_36476975_2435.cpp:42:47: note: deduced return type only available with -std=c++1y or -std=gnu++1y
#define gen(op) auto operator op (mat m,ll k) {for(auto&v:m)v op##=k; return m;}
^
0_0_36476975_2435.cpp:44:8: note: in expansion of macro 'gen'
gen(+) gen(%)
^
0_0_36476975_2435.cpp:47:36: error: 'cat' function uses 'auto' type specifier without trailing return type
auto cat(const mat& l, const mat& r) {
^
0_0_36476975_2435.cpp:47:36: note: deduced return type only available with -std=c++1y or -std=gnu++1y
0_0_36476975_2435.cpp:54:22: error: 'xiao_yvan' function uses 'auto' type specifier without trailing return type
auto xiao_yvan(mat& m) {
^
0_0_36476975_2435.cpp:54:22: note: deduced return type only available with -std=c++1y or -std=gnu++1y
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