Language: C

include<stdio.h>

#define INF 1000000000

typedef struct{
	int val;
	int sum;
} data;

data dp[16][20000];

int main(void){
	int n,m,i,j,k,c[16],x[20000],min;
	data tmp;
	while(scanf("%d %d",&n,&m)!=0 && n!=0 && m!=0){
		for(i=0;i<m;i++){
			scanf("%d",&c[i]);
		}
		for(i=0;i<n;i++){
			scanf("%d",&x[i]);
		}
		for(i=0;i<n;i++){
			for(j=0;j<m;j++){
				dp[i][j].sum=INF;
			}
		}
		for(i=0;i<m;i++){
			dp[0][i].val=128+c[i];
			if(dp[0][i].val<0){
				dp[0][i].val=0;
			}
			if(dp[0][i].val>255){
				dp[0][i].val=255;
			}
			dp[0][i].sum=(dp[0][i].val-x[0])*(dp[0][i].val-x[0]);
		}
		for(i=1;i<n;i++){
			for(j=0;j<m;j++){
				for(k=0;k<m;k++){	
					tmp.val=dp[i-1][j].val+c[k];
					if(tmp.val<0){
						tmp.val=0;
					}
					if(tmp.val>255){
						tmp.val=255;
					}
					tmp.sum=dp[i-1][j].sum+((tmp.val-x[i])*(tmp.val-x[i]));
					if(tmp.sum<dp[i][j].sum){
						dp[i][j].val=tmp.val;
						dp[i][j].sum=tmp.sum;
					}
				}
			}
		}
		min=INF;
		if(n==0){
			min=0;
		}
		for(i=0;i<m && n!=0;i++){
			if(dp[n-1][i].sum<min){
				min=dp[n-1][i].sum;
			}
		}
		printf("%d\n",min);
	}
	return 0;
}

Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include<stdio.h>
      |        ^
main.c:8:3: warning: data definition has no type or storage class
    8 | } data;
      |   ^~~~
main.c:8:3: error: type defaults to 'int' in declaration of 'data' [-Wimplicit-int]
main.c:10:1: error: unknown type name 'data'
   10 | data dp[16][20000];
      | ^~~~
main.c: In function 'main':
main.c:14:13: error: expected ';' before 'tmp'
   14 |         data tmp;
      |             ^~~~
      |             ;
main.c:15:15: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   15 |         while(scanf("%d %d",&n,&m)!=0 && n!=0 && m!=0){
      |               ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | include<stdio.h>
main.c:15:15: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   15 |         while(scanf("%d %d",&n,&m)!=0 && n!=0 && m!=0){
      |               ^~~~~
main.c:15:15: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:24:41: error: request for member 'sum' in something not a structure or union
   24 |                                 dp[i][j].sum=INF;
      |                                         ^
main.c:28:33: error: request for member 'val' in something not a structure or union
   28 |                         dp[0][i].val=128+c[i];
      |                                 ^
main.c:29:36: error: request for member 'val' in something not a structure or union
   29 |                         if(dp[0][i].val<0){
      |                                    ^
main.c:30:41: error: request for member 'val' in something not a structure or union
   30 |                                 dp[0][i].val=0;
      |                                         ^
main.c:32:36: error: request for member 'val' in something not a structure or union
   32 |                         if(dp[0][i].val>255){
      |                                    ^
main.c:33:41: error: request for member 'val' in something not a structure or union
   33 |                                 dp[0][i].val=255;
      |                                         ^
main.c:35:33: error: request for member 'sum' in something not a structure or union
   35 |                         dp[0][i].sum=(dp[0][i].val-x[0])*(dp[0][i].val-x[0]);
      |                                 ^
main.c:35:47: error: request for member 'val' in something not a structure or union
   35 |                         dp[0][i].sum=(dp[0][i].val-x[0])*(dp[0][i].val-x[0]);
      |                                               ^
main.c:35:67: error: request for member 'val' in something not a structure or union
   35 |                         dp[0][i].sum=(dp[0][i].val-x[0])*(dp[0][i].val-x[0]);
      |                                                                   ^
main.c:40:41: error: 'tmp' undeclared (first use in this function)
   40 |                                         tmp.val=dp[i-1][j].val+c[k];
      |                                         ^~~
main.c:40:41: note: each undeclared identifier is reported only once for each function it appears in
main.c:40:59: error: request for member 'val' in something not a structure or union
   40 |                                         tmp.val=dp[i-1][j].val+c[k];
      |                                                           ^
main.c:47:59: error: request for member 'sum' in something not a structure or union
   47 |                                         tmp.sum=dp[i-1][j].sum+((tmp.val-x[i])*(tmp.val-x[i]));
      |                                                           ^
main.c:48:60: error: request for member 'sum' in something not a structure or union
   48 |                                         if(tmp.sum<dp[i][j].sum){
      |                                                            ^
main.c:49:57: error: request for member 'val' in something not a structure or union
   49 |                                                 dp[i][j].val=tmp.val;
      |                                                         ^
main.c:50:57: error: request for member 'sum' in something not a structure or union
   50 |                                                 dp[i][j].sum=tmp.sum;
      |                                                         ^
main.c:60:38: error: request for member 'sum' in something not a structure or union
   60 |                         if(dp[n-1][i].sum<min){
      |                                      ^
main.c:61:47: error: request for member 'sum' in something not a structure or union
   61 |                                 min=dp[n-1][i].sum;
      |                                               ^
main.c:64:17: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   64 |                 printf("%d\n",min);
      |                 ^~~~~~
main.c:64:17: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:64:17: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:64:17: note: include '<stdio.h>' or provide a declaration of 'printf'