1166.cpp

杭州电子科技大学ACM-OJ系统的部分代码

#include "stdio.h"    //老师写的
#include "string.h"
int a[50001];
int main()
{
  int t,ci;
  int n,i,sum,x,y;
  char cmd[10];
  scanf("%d",&t);
  for(ci=1;ci<=t;ci++)
  {
    printf("Case %d:\n",ci);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
      scanf("%d",&a[i]);
    while(scanf("%s",&cmd)!=EOF)
    {
        if(strcmp(cmd,"End")==0) 
          break;
        scanf("%d%d",&x,&y);
        if(strcmp(cmd,"Add")==0)
          a[x]+=y;
        else if(strcmp(cmd,"Sub")==0)
        {
          a[x]-=y;           
        }
        else if(strcmp(cmd,"Query")==0)
        {
          for(sum=0,i=x;i<=y;i++)
            sum+=a[i];
          printf("%d\n",sum);
        }
    }
  }
  return 0;
}