帮忙找一下错呗

黛_柒柒 2011-11-26 09:40:33

能不能帮我看看这个程序错在哪里为什么不能显示氨基酸啊

#include <stdio.h>
#include <stdlib.h>
#define N 100
int main()
{
int i,j,k,m;
char DNA1[N],DNA2[N],mRNA[N];
printf ("请输入DNA单链序列：\n");
gets(DNA1);
printf ("输入的DNA单链为: ");
for (i=0;DNA1[i]!='\0';i++)
{
printf ("-%c",DNA1[i]);
}
printf ("-\n");

printf ("对应的DNA单链为：");
for (j=0;j<i;j++)
{
switch (DNA1[j])
{
case 'A':
DNA2[j] = 'T';
break;
case 'T':
DNA2[j] = 'A';
break;
case 'G':
DNA2[j] = 'C';
break;
case 'C':
DNA2[j] = 'G';
break;
}
printf ("-%c",DNA2[j]);
}
printf ("-\n");

printf ("转录生成mRNA为：");
for (k=0;k<i;k++)
{
switch (DNA1[k])
{
case 'A':
mRNA[k] = 'T';
break;
case 'T':
mRNA[k] = 'A';
break;
case 'G':
mRNA[k] = 'C';
break;
case 'C':
mRNA[k] = 'G';
break;
}
printf ("-%c",mRNA[k]);
}
printf ("-\n");

printf ("翻译合成的蛋白质的氨基酸为：\n");
for (m=0;m<i;m=m+3)
{
if (mRNA[m]=='U'&&mRNA[m+1]=='U'&&(mRNA[m+2]=='U'||mRNA[m+2]=='C'))
{
printf ("-苯丙氨酸");
}
else if (mRNA[m]=='U'&&mRNA[m+1]=='U'&&(mRNA[m+2]=='A'||mRNA[m+2]=='U' ))
{
printf ("-亮氨酸");
}
else if (mRNA[m]=='A'&&mRNA[m+1]=='U'&&(mRNA[m+2]=='C'||mRNA[m+2]=='A'))
{
printf ("-异亮氨酸");
}
else if (mRNA[m]=='A'&&mRNA[m+1]=='U'&&mRNA[m+2]=='G')
{
printf ("-甲硫氨酸");
}
else if (mRNA[m]=='G'&&mRNA[m+1]=='U')
{
printf ("-缬氨酸");
}
else if (mRNA[m]=='U'&&mRNA[m+1]=='C')
{
printf ("-丝氨酸");
}
else if (mRNA[m]=='C'&&mRNA[m+1]=='C')
{
printf ("-脯氨酸");
}
else if (mRNA[j]=='A'&&mRNA[m+1]=='C')
{
printf ("-苏氨酸");
}
else if (mRNA[m]=='G'&&mRNA[m+1]=='C')
{
printf ("-丙氨酸");
}
else if (mRNA[m]=='U'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='U'||mRNA[m+2]=='C'))
{
printf ("-酪氨酸");
}
else if (mRNA[m]=='C'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='U'||mRNA[m+2]=='C'))
{
printf ("-组氨酸");
}
else if (mRNA[m]=='C'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='A'||mRNA[m+2]=='G'))
{
printf ("-谷氨酰胺");
}
else if (mRNA[m]=='A'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='U'||mRNA[m+2]=='C'))
{
printf ("-天冬酰胺");
}
else if (mRNA[m]=='A'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='A'||mRNA[m+2]=='G'))
{
printf ("-赖氨酸");
}
else if (mRNA[m]=='G'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='U'||mRNA[m+2]=='C'))
{
printf ("-天冬氨酸");
}
else if (mRNA[m]=='G'&&mRNA[m+1]=='A'&&(mRNA[m+2]=='G'||mRNA[m+2]=='A'))
{
printf ("-谷氨酸");
}
else if (mRNA[m]=='U'&&mRNA[m+1]=='G'&&(mRNA[m+2]=='U'||mRNA[m+2]=='C'))
{
printf ("-半胱氨酸");
}
else if (mRNA[m]=='U'&&mRNA[m+1]=='G'&&mRNA[m+2]=='G')
{
printf ("-色氨酸");
}
else if ((mRNA[m]=='A'&&mRNA[m+1]=='G'&&(mRNA[m+2]=='A'||mRNA[m+2]=='G'))||(mRNA[m]=='C'&&mRNA[m+1]=='G'))
{
printf ("-精氨酸");
}
else if (mRNA[m]=='A'&&mRNA[m+1]=='U'&&(mRNA[m+2]=='G'||mRNA[m+2]=='C'))
{
printf ("-丝氨酸");
}
else if (mRNA[m]=='G'&&mRNA[m+1]=='G')
{
printf ("-甘氨酸");
}
else
{
break;
}
}
printf ("-\n");
printf ("请按任意键继续...");

return 0;
}

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