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一千万 int 型数组会 memory limit exceed 吗?

Posted by xiaol at 2005-10-17 21:50:17 on Problem 1002
#include <iostream>
#include <cstdlib>
using namespace std;
int a[10000000]={0};
int que[50001];
int cmp(const void *a,const void *b) {
    return *(int *)a-*(int *)b;
}
int main() {
    char s[100];
    int n,i;
    int k;
    int num;
    int temp;
    cin>>n;
    cin.ignore();
    int r=0;
    for(i=0;i<n;i++) {
        scanf("%s",s);
        num=0;
        for(k=0;s[k]!='\0';k++) {
            if((s[k]>='A' && s[k]<='C') || s[k]=='2') num=num*10+2;
            else if((s[k]>='D' && s[k]<='F') || s[k]=='3') num=num*10+3;
            else if((s[k]>='G' && s[k]<='I') || s[k]=='4') num=num*10+4;
            else if((s[k]>='J' && s[k]<='L') || s[k]=='5') num=num*10+5;
            else if((s[k]>='M' && s[k]<='O') || s[k]=='6') num=num*10+6;
            else if(s[k]=='P' || s[k]=='R' || s[k]=='S' || s[k]=='7') num=num*10+7;
            else if((s[k]>='T' && s[k]<='V') || s[k]=='8') num=num*10+8;
            else if((s[k]>='W' && s[k]<='Y') || s[k]=='9') num=num*10+9;
            else if(s[k]=='1') num=num*10+1;
            else if(s[k]=='0') num=num*10;
        }
        ++a[num];
        if(a[num]==2) {
            que[r]=num;
            ++r;
        }
    }
    
    if(r==0){
        cout<<"No duplicates."<<endl;
    } 
    else {   
    qsort(que,r,sizeof(que[0]),cmp);
    for(i=0;i<r;i++) {
        temp=que[i]; 
        printf("%c",temp/1000000+'0');
        temp=temp%1000000;
        printf("%c",temp/100000+'0');
        temp=temp%100000;
        printf("%c",temp/10000+'0');
        temp=temp%10000;
        printf("-%c",temp/1000+'0');
        temp=temp%1000;
        printf("%c",temp/100+'0');
        temp=temp%100;
        printf("%c",temp/10+'0');
        temp=temp%10;
        printf("%c",temp+'0');
        printf(" %d\n",a[que[i]]);
    }
}    
    return 0;
}        
        
        
               
            
        
        

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