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路过的帮忙看看啊!我用最大长度减去最长公共子序列的长度ac的,但不明白这为什么会错#include<stdio.h> #include<string.h> int main() { int i,j,m,n;char a[1002],b[1002],f[1002][1002]; while(EOF!=scanf("%d%s%d%s",&m,a+1,&n,b+1)) { if(strcmp(a+1,b+1)==0) { printf("0\n"); continue; } for(i=0;i<=m;i++) f[i][0]=i; for(i=0;i<=n;i++) f[0][i]=i; for(i=1;i<=m;i++) for(j=1;j<=n;j++) { f[i][j]=f[i-1][j-1]+1; if(a[i]==b[j]) f[i][j]=f[i][j]-1; if(f[i-1][j]+1<f[i][j]) f[i][j]=f[i-1][j]+1; if(f[i][j-1]+1<f[i][j]) f[i][j]=f[i][j-1]+1; } printf("%d\n",f[m][n]); } return 0; } Followed by:
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