Language: C

#include<stdio.h>
#include<string.h>


#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:
main.c:5:18: error: expected ']' before ';' token
    5 | #define M 1046527;
      |                  ^
main.c:8:8: note: in expansion of macro 'M'
    8 | char H[M][L];
      |        ^
main.c:8:12: error: expected identifier or '(' before ']' token
    8 | char H[M][L];
      |            ^
main.c: In function 'h2':
main.c:5:18: error: expected ')' before ';' token
    5 | #define M 1046527;
      |                  ^
main.c:36:33: note: in expansion of macro 'M'
   36 | int h2(int key){return 1+(key %(M-1));}
      |                                 ^
main.c:36:32: note: to match this '('
   36 | int h2(int key){return 1+(key %(M-1));}
      |                                ^
main.c: In function 'find':
main.c:42:20: error: 'H' undeclared (first use in this function)
   42 |         if (strcmp(H[h],str)==0)return 1;
      |                    ^
main.c:42:20: note: each undeclared identifier is reported only once for each function it appears in
main.c: In function 'insert':
main.c:52:20: error: 'H' undeclared (first use in this function)
   52 |         if (strcmp(H[h],str) == 0) return 1;
      |                    ^
main.c: In function 'main':
main.c:7:13: error: expected ']' before ';' token
    7 | #define L 14;
      |             ^
main.c:63:14: note: in expansion of macro 'L'
   63 |     char str[L],com[9];
      |              ^
main.c:64:17: error: expected expression before ';' token
   64 |     for (i=0;i<M;i++){
      |                 ^
main.c:65:9: error: 'H' undeclared (first use in this function)
   65 |         H[i][0]='\0';
      |         ^
main.c:69:23: error: 'com' undeclared (first use in this function)
   69 |         scanf("%s %s",com,str);
      |                       ^~~
main.c:69:27: error: 'str' undeclared (first use in this function)
   69 |         scanf("%s %s",com,str);
      |                           ^~~