ASCII Art.c

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

/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/
int main()
{
    int L;
    scanf("%d", &L); fgetc(stdin);
    int H;
    scanf("%d", &H); fgetc(stdin);
    char T[256];
    fgets(T,256,stdin);
    int x=strlen(T);
    char ROW[H][512];
    for (int i = 0; i < H; i++) {
        for(int j=0;j<L*26+5;j++)
        {
            scanf("%c",&ROW[i][j]);
        }
    }
    for(int i=0;i<x;i++)
    {
        T[i]=toupper(T[i]);
        if(T[i]=='@')
            T[i]='A';
        T[i]-=65;
    }
    for(int j=0;j<H;j++)
    {
        for(int i=0;i<x;i++)
        {
            int acs= T[i]*L;
            for(int k=0;k<L;k++)
            {
                    printf("%c",ROW[j][acs+k]);
            }
        }
        printf("\n");
    }
    // Write an action using printf(). DON'T FORGET THE TRAILING \n
    // To debug: fprintf(stderr, "Debug messages...\n");

    return 0;
}