要求：求最大遞增數
如：1231123451
輸出12345
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#include<stdio.h>
#include<assert.h>
void find(char *s)
{int maxleng = 0;int length = 1;int pos = 0;int i = 0;while(s[i] !='\0'){ if((s[i])<'0'||(s[i]>'9')){assert(0);}if((s[i+1]-'0') > (s[i] -'0')){length++;i++;continue;}if(length > maxleng){maxleng = length;pos = i -maxleng;pos++;length = 1;i++;continue;}i++;length = 1;}for(int j =0; j < maxleng; j++){printf("%c",s[pos++]);}
}
int main( )
{char s[100];scanf("%s",s);find(s);return 0;
}
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