Language: C++

#include<cstdio>
using namespace std;


#define M 1046527;
#define NIL (-1);
#define L 14;
char H[M][L];
 
int getChar(char ch){
    if (ch == 'A'){
        return 1;
    }
    else if (ch == 'C'){
        return 2;
    }
    else if (ch == 'G'){
        return 3;
    }
    else if (ch == 'T'){
        return 4;
    }
    else return 0;
}

long long getKey(char str[]){
    long long sum = 0,p=1,i;
    for (i = 0;i<strlen(str);i++){
        sum+=p*(getChar(str[i]));
        p *= 5;
    }
    return sum;
}

int h1(int key){return key % M;}
int h2(int key){return 1+(key %(M-1));}
int find(char str[]){
    long long key,i,h;
    key = getKey(str);
    for (i = 0;;i++){
        h = (h1(key)+i*h2(key)) % M;
        if (strcmp(H[h],str)==0)return 1;
        else if (strlen(H[h])==0)return 0;
    }
    return 0;
}
int insert(char str[]){
    long long key,i,h;
    key = getKey(str);
    for(i = 0;;i++){
        h = (h1(key)+i*h2(key))%M;
        if (strcmp(H[h],str) == 0) return 1;
        else if (strlen(H[h]) == 0){
            strcpy(H[h],str);
            return 0;
        }
    }
    return 0;
}

int main(){
    int i,n,h;
    char str[L],com[9];
    for (i=0;i<M;i++){
        H[i][0]='\0';
    }
    scanf("%d",&n);
    for (i=0;i<n;i++){
        scanf("%s %s",com,str);
        if (com[0] == 'i'){
            insert(str);
        }
        else {
            if(find(str)){
                printf("yes\n");
            }
            else{
                printf("no\n");
            }
        }
    }
    return 0;
}

Compiler output:
a.cc:5:18: error: expected ']' before ';' token
    5 | #define M 1046527;
      |                  ^
a.cc:8:8: note: in expansion of macro 'M'
    8 | char H[M][L];
      |        ^
a.cc:8:9: error: expected unqualified-id before ']' token
    8 | char H[M][L];
      |         ^
a.cc:8:12: error: expected unqualified-id before ']' token
    8 | char H[M][L];
      |            ^
a.cc: In function 'long long int getKey(char*)':
a.cc:28:18: error: 'strlen' was not declared in this scope
   28 |     for (i = 0;i<strlen(str);i++){
      |                  ^~~~~~
a.cc:2:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include<cstdio>
  +++ |+#include <cstring>
    2 | using namespace std;
a.cc: In function 'int h2(int)':
a.cc:5:18: error: expected ')' before ';' token
    5 | #define M 1046527;
      |                  ^
a.cc:36:33: note: in expansion of macro 'M'
   36 | int h2(int key){return 1+(key %(M-1));}
      |                                 ^
a.cc:36:32: note: to match this '('
   36 | int h2(int key){return 1+(key %(M-1));}
      |                                ^
a.cc:5:18: error: expected ')' before ';' token
    5 | #define M 1046527;
      |                  ^
a.cc:36:33: note: in expansion of macro 'M'
   36 | int h2(int key){return 1+(key %(M-1));}
      |                                 ^
a.cc:36:26: note: to match this '('
   36 | int h2(int key){return 1+(key %(M-1));}
      |                          ^
a.cc:36:36: error: expected ';' before ')' token
   36 | int h2(int key){return 1+(key %(M-1));}
      |                                    ^
      |                                    ;
a.cc: In function 'int find(char*)':
a.cc:42:20: error: 'H' was not declared in this scope
   42 |         if (strcmp(H[h],str)==0)return 1;
      |                    ^
a.cc:42:13: error: 'strcmp' was not declared in this scope
   42 |         if (strcmp(H[h],str)==0)return 1;
      |             ^~~~~~
a.cc:42:13: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:43:18: error: 'strlen' was not declared in this scope
   43 |         else if (strlen(H[h])==0)return 0;
      |                  ^~~~~~
a.cc:43:18: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc: In function 'int insert(char*)':
a.cc:52:20: error: 'H' was not declared in this scope
   52 |         if (strcmp(H[h],str) == 0) return 1;
      |                    ^
a.cc:52:13: error: 'strcmp' was not declared in this scope
   52 |         if (strcmp(H[h],str) == 0) return 1;
      |             ^~~~~~
a.cc:52:13: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:53:18: error: 'strlen' was not declared in this scope
   53 |         else if (strlen(H[h]) == 0){
      |                  ^~~~~~
a.cc:53:18: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:54:13: error: 'strcpy' was not declared in this scope
   54 |             strcpy(H[h],str);
      |             ^~~~~~
a.cc:54:13: note: 'strcpy' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc: In function 'int main()':
a.cc:7:13: error: expected ']' before ';' token
    7 | #define L 14;
      |             ^
a.cc:63:14: note: in expansion of macro 'L'
   63 |     char str[L],com[9];
      |              ^
a.cc:63:15: error: expected primary-expression before ']' token
   63 |     char str[L],com[9];
      |               ^
a.cc:64:17: error: expected primary-expression before ';' token
   64 |     for (i=0;i<M;i++){
      |                 ^
a.cc:64:17: error: expected ')' before ';' token
   64 |     for (i=0;i<M;i++){
      |         ~       ^
a.cc:64:21: error: expected ';' before ')' token
   64 |     for (i=0;i<M;i++){
      |                     ^
      |                     ;
a.cc:69:23: error: 'com' was not declared in this scope
   69 |         scanf("%s %s",com,str);
      |                       ^~~
a.cc:69:27: error: 'str' was not declared in this scope; did you mean 'std'?
   69 |         scanf("%s %s",com,str);
      |                           ^~~
      |                           std