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WrongAnswner!!!!!为什么啊???测试数据没错啊!实在找不出!哪位大虾指教下!!!!#include<stdio.h> #include<string.h> int num[50000],n; int a[50000],b[50000]; void maxa(){ int max=num[1]; int sum=num[1]; int lt; a[1]=max; for(lt=2;lt<=n;lt++){ if(sum>0) sum+=num[lt]; else sum=num[lt]; if(sum>max) max=sum; a[lt]=max; } } void maxb(){ int max=num[n]; int sum=num[n]; int lt; b[n]=max; for(lt=n-1;lt>=1;lt--){ if(sum>0) sum+=num[lt]; else sum=num[lt]; if(sum>max) max=sum; b[lt]=max; } } void main() { int t,i,j,maxall; scanf("%d",&t); for(j=0;j<t;j++) { scanf("%d",&n); for(i=1;i<=n;i++) scanf("%d",&num[i]); maxa(); maxb(); maxall=-600000000; for( i=1;i<=n-1;i++) { if((a[i]+b[i+1])>maxall) maxall=a[i]+b[i+1]; } printf("%d\n",maxall); } } Followed by:
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