View Compilation Error

0_0_24615842_25470.cpp:8:1: error: 'cosnt' does not name a type
 cosnt int P = 1e6 + 9;
 ^
0_0_24615842_25470.cpp:15:10: error: 'P' was not declared in this scope
 int last[P];
          ^
0_0_24615842_25470.cpp: In function 'int main()':
0_0_24615842_25470.cpp:43:12: error: 'last' was not declared in this scope
     memset(last, 0, sizeof last);
            ^