Main.cpp
F:\temp\13239684.78121\Main.cpp(69) : error C2668: 'pow' : ambiguous call to overloaded function
        math.h(575): could be 'long double pow(long double,int)'
        math.h(527): or       'float pow(float,int)'
        math.h(489): or       'double pow(double,int)'
        while trying to match the argument list '(int, int)'


#include<cstring>
#include<cmath>
#include<algorithm>
#include<iostream>
#include<cstdio>
using namespace std;
int change()
{
    int sum , i, j, n, m, lun;
    char a[20], b[20];
    memset(a, 0, sizeof(a));
    memset(b, 0, sizeof(b));
    gets(a);
    n = strlen(a);
    for(i = 0, j = 0; i < n; i++)      //把里面的字母转换成数字存入字符数组中
    {
        if(a[i]=='A'||a[i]=='B'||a[i]=='C'||a[i]=='2')
        {
            b[j]='2';
            j++;
        }
        else if(a[i]=='D'||a[i]=='E'||a[i]=='F'||a[i]=='3')
        {
            b[j]='3';
            j++;
        }
        else if(a[i]=='G'||a[i]=='H'||a[i]=='I'||a[i]=='4')
        {
            b[j]='4';
            j++;
        }
        else if(a[i]=='J'||a[i]=='K'||a[i]=='L'||a[i]=='5')
        {
            b[j]='5';
            j++;
        }
        else if(a[i]=='M'||a[i]=='N'||a[i]=='O'||a[i]=='6')
        {
            b[j]='6';
            j++;
        }
        else if(a[i]=='P'||a[i]=='R'||a[i]=='S'||a[i]=='7')
        {
            b[j]='7';
            j++;
        }
        else if(a[i]=='T'||a[i]=='U'||a[i]=='V'||a[i]=='8')
        {
            b[j]='8';
            j++;
        }
        else if(a[i]=='W'||a[i]=='X'||a[i]=='Y'||a[i]=='9')
        {
            b[j]='9';
            j++;
        }
        else if(a[i]=='0'||a[i]=='1')
        {
            b[j]=a[i];
            j++;
        }

    }
    n = strlen(b);
    sum=0;
    m=n;
    for(j = 0; j < m; j++)      //把字符数组转换成一个整数  存入 num中
    {
        lun=pow(10,n);
        sum = sum + ((int)b[j]-48)*lun;
        n--;
    }
    sum=sum/10;
    return sum;    //把整数当做返回值返回到主函数中
}
int main()
{
    long long num;
    int i, j, count, digel[100010], st[1000], en[1000];
    char w;
    while(scanf("%lld",&num)!=EOF)
    {
        w=getchar();
        memset(digel, 0, sizeof(digel));
        memset(st, 100001, sizeof(st));
        memset(en, 0, sizeof(en));
        for(i = 0; i < num; i++)
            digel[i]=change();
        sort(digel, digel+num);        //对digel函数进行排序
        j=0;
        for(i = 0; i < num; i++)
        {
            if(digel[i]==digel[i+1])
            {
                st[j]=i;
                for( i=i; digel[i] == digel[i+1]; i++)
                    en[j] = i + 1;
                j++;
            }
        }                                //对重复的进行标记
        j=0;
        for(i = 0; i < num; i++)          //结果的输出
        {

            if(st[j]==i)
            {
                printf("%d-%d %d\n",digel[i]/10000, digel[i]%10000,en[j]-st[j]+1);
                i=en[j];
                j++;
            }

        }
    }
    return 0;
}

• Re:为什么一直Compile Error 求大神指点 (3341) fts2001 2014-08-24 20:36:39
• Re:为什么一直Compile Error 求大神指点 (3341) fts2001 2014-08-24 20:37:55