Main.cpp: In function 'int main()':
Main.cpp:16:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
16 | for(register int i = 0, a, b, t; i < N; ++i){
| ^
Main.cpp:16:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
16 | for(register int i = 0, a, b, t; i < N; ++i){
| ^
Main.cpp:16:29: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
16 | for(register int i = 0, a, b, t; i < N; ++i){
| ^
Main.cpp:16:32: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
16 | for(register int i = 0, a, b, t; i < N; ++i){
| ^
Main.cpp:21:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
21 | for(register int i = 1; i <= 8; ++i){
| ^
Main.cpp:25:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
25 | for(register int i = 1; i <= 4; ++i){
| ^
Main.cpp:28:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
28 | for(register int j = 1; j < (int)tmp.size(); ++j){
| ^
Main.cpp:32:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
32 | for(register int i = 5; i <= 8; ++i){
| ^
Main.cpp:35:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
35 | for(register int j = 1; j < (int)tmp.size(); ++j){
| ^