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过的同学能给看看这段代码为什么WA吗?很短#include <iostream> using namespace std; bool hash[17000000]; int N,NC; char S[17000000]; int ansii[128]; int main() { scanf("%d%d",&N,&NC); scanf("%s",S); int len=strlen(S); int sum=0; int res=0; for(int i=0;i<=len-N;i++){ sum=0; for(int j=i;j<i+N;j++){ sum=(sum*NC+ S[j]-97); } if(hash[sum]==0){ hash[sum]=1; res++; } } printf("%d\n",res); return 0; } Followed by:
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