View Compilation Error

0_0_37809274_11502.cpp: In function 'int main()':
0_0_37809274_11502.cpp:58:23: error: 'i' does not name a type
         for (register i = 1, j = 1; i <= 2e5; i ++) {
                       ^
0_0_37809274_11502.cpp:58:37: error: expected ';' before 'i'
         for (register i = 1, j = 1; i <= 2e5; i ++) {
                                     ^
0_0_37809274_11502.cpp:58:37: error: 'i' was not declared in this scope
0_0_37809274_11502.cpp:59:13: error: 'j' was not declared in this scope
             j = (LL)j * a % P;
             ^
0_0_37809274_11502.cpp:64:45: error: 'j' was not declared in this scope
         for (register int i = 1; i <= q; ++ j) {
                                             ^
0_0_37809274_11502.cpp:78:24: error: 'i' does not name a type
         for (register  i = 1; i <= 2e5 * S; i ++) cnt[i] = 0;
                        ^
0_0_37809274_11502.cpp:78:31: error: expected ';' before 'i'
         for (register  i = 1; i <= 2e5 * S; i ++) cnt[i] = 0;
                               ^
0_0_37809274_11502.cpp:78:31: error: 'i' was not declared in this scope