pku 1454, UVa 324. Factorial Frequencies. CE. 채점큐

#include <iostream> #include <stdio.h> int n; class bigint { unsigned char *start, *end; int len; public: bigint operator=(char *); bigint operator=(int); bigint operator=(bigint); void make(unsigned char *, int); bigint(); bigint(char *); bigint(int); ~bigint(); bigint(bigint &); friend bigint operator+(bigint, bigint); friend bigint operator*(bigint, bigint); void print(); }; void bigint::make(unsigned char *src, int _len) { len=_len; delete []start; start=new unsigned char[len]; end=start+len-1; memcpy(start, src, sizeof(char)*len); } bigint bigint::operator =(char *src) { delete []start; len=strlen(src); start=new unsigned char[len]; end=start+len-1; unsigned char *p=start; char *p_s=src; while(p<=end) { *p=*p_s-'0'; p++; p_s++; } return *this; } bigint bigint::operator =(int src) { delete []start; char str[20]; sprintf(str, "%d", src); *this=str; return *this; } bigint bigint::operator =(bigint src) { delete []start; len=src.len; start=new unsigned char[len]; end=start+len-1; memcpy(start, src.start, sizeof(char)*len); return *this; } bigint::bigint() { len=1; start=end=new unsigned char; *start=0; } bigint::bigint(char *src) { len=1; start=end=new unsigned char; *this=src; } bigint::bigint(int src) { len=1; start=end=new unsigned char; char str[20]; sprintf(str, "%d", src); *this=str; } bigint::~bigint() { delete []start; } bigint::bigint(bigint &src) { len=src.len; start=new unsigned char[len]; end=start+len-1; memcpy(start, src.start, sizeof(char)*len); } bigint operator+(bigint first, bigint second) { int hi, lennew; unsigned char *result, *p_r, *p_l, *p_s, *lmt_l, *lmt_s; if(first.len>second.len) { lennew=first.len+1; p_l=first.end; lmt_l=first.start; p_s=second.end; lmt_s=second.start; } else { lennew=second.len+1; p_l=second.end; lmt_l=second.start; p_s=first.end; lmt_s=first.start; } result=new unsigned char[lennew]; memset(result, 0, sizeof(char)*lennew); p_r=result+lennew-1; for(hi=0;lmt_s<=p_s; p_s--, p_l--, p_r--) { hi+=(*p_l)+(*p_s); *p_r=hi%10; hi/=10; } for(; lmt_l<=p_l; p_l--, p_r--) { hi+=*p_l; *p_r=hi%10; hi/=10; } int flag=1; if(hi) { *p_r=hi; flag=0; } bigint toreturn; toreturn.make(result+flag, lennew-flag); return toreturn; } bigint operator*(bigint first, bigint second) { unsigned char hi, *p_f, *p_s, *result, *p_r; int shift, lennew; bigint toreturn, toadd; lennew=first.len+1; for(p_s=second.end, shift=0; p_s>=second.start; p_s--, shift++) { result=new unsigned char[lennew+shift]; memset(result, 0, sizeof(char)*(lennew+shift)); p_r=result+lennew-1; for(p_f=first.end, hi=0; p_f>=first.start; p_f--) { hi+=*p_s * *p_f; *p_r/*+*/=hi%10; p_r--; hi/=10; } int flag=1; if(hi!=0) { *p_r=hi; flag=0; } toadd.make(result+flag,lennew+shift-flag); toreturn=toreturn+toadd; delete []result; } return toreturn; } void bigint::print() { int i, table[10]; memset(table,0,sizeof(int)*10); for(i=0; i<len; i++) table[start[i]]++; printf("%d! --",n); for(i=0; i<10; i++) { if( i % 5 == 0 ) printf("\n"); printf(" (%d)%5d ", i, table[i]); } printf("\n"); } void fac(int n) { bigint result; result="1"; int i; for(i=2; i<=n; i++) { result=result*i; } result.print(); } int main() { while(1) { scanf("%d", &n); fac(n); } return 0; }

아침부터 bigint열심히 만들었는데....

Main.cpp

Main.cpp(189) : error C2679: binary '=' : no operator found which takes a right-hand operand of type 'bigint' (or there is no acceptable conversion); Main.cpp(11): could be 'bigint bigint::operator =(char *)'; Main.cpp(12): or       'bigint bigint::operator =(int)'; Main.cpp(13): or       'bigint bigint::operator =(bigint)'; while trying to match the argument list '(bigint, bigint)'

Main.cpp(220) : error C2616: 'argument' : cannot implicitly convert a non-lvalue 'bigint' to a 'bigint &' that is not const; while checking that elided copy-constructor 'bigint::bigint(bigint &)' is callable; Main.cpp(20) : see declaration of 'bigint::bigint'; when converting from 'int' to 'bigint'

Main.cpp(220) : error C2679: binary '=' : no operator found which takes a right-hand operand of type 'bigint' (or there is no acceptable conversion); Main.cpp(11): could be 'bigint bigint::operator =(char *)'; Main.cpp(12): or       'bigint bigint::operator =(int)'; Main.cpp(13): or       'bigint bigint::operator =(bigint)'; while trying to match the argument list '(bigint, bigint)'

어떻게 고쳐야하는지..

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