新人求助poj1328！望好心人帮忙解决，万分感谢！
本帖最后由 勿语静候 于 2014-7-25 09:21 编辑下面是poj1328代码，自己在DEV c++上编译通过，运行正确。为什么在poj上编译错误。这是poj给出的错误Main.cppF:\temp\13162134.571\Main.cpp(10) : error C2327: 'island::distance' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(10) : error C2327: 'island::distance' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(10) : error C2563: mismatch in formal parameter list
F:\temp\13162134.571\Main.cpp(10) : error C2568: '*' : unable to resolve function overload xutility(1855): could be 'iterator_traits<_Iter>::difference_type std::distance(_InIt,_InIt)'
F:\temp\13162134.571\Main.cpp(10) : error C2327: 'island::y' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(10) : error C2065: 'y' : undeclared identifier
F:\temp\13162134.571\Main.cpp(10) : error C2327: 'island::y' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(10) : error C2065: 'y' : undeclared identifierF:\temp\13162134.571\Main.cpp(10) : error C2864: 'island::t' : only static const integral data members can be initialized within a class
F:\temp\13162134.571\Main.cpp(12) : error C2327: 'island::x' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(12) : error C2065: 'x' : undeclared identifier
F:\temp\13162134.571\Main.cpp(12) : error C2327: 'island::t' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(12) : error C2065: 't' : undeclared identifier
F:\temp\13162134.571\Main.cpp(12) : error C2864: 'island::start' : only static const integral data members can be initialized within a class
F:\temp\13162134.571\Main.cpp(13) : error C2327: 'island::x' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(13) : error C2065: 'x' : undeclared identifier
F:\temp\13162134.571\Main.cpp(13) : error C2327: 'island::t' : is not a type name, static, or enumerator
F:\temp\13162134.571\Main.cpp(13) : error C2065: 't' : undeclared identifier
F:\temp\13162134.571\Main.cpp(13) : error C2864: 'island::end' : only static const integral data members can be initialized within a class
F:\temp\13162134.571\Main.cpp(57) : error C2057: expected constant expression
F:\temp\13162134.571\Main.cpp(57) : error C2466: cannot allocate an array of constant size 0
F:\temp\13162134.571\Main.cpp(57) : error C2133: 'island' : unknown size
F:\temp\13162134.571\Main.cpp(64) : error C2057: expected constant expression
F:\temp\13162134.571\Main.cpp(64) : error C2466: cannot allocate an array of constant size 0
F:\temp\13162134.571\Main.cpp(64) : error C2133: 'start1' : unknown size
F:\temp\13162134.571\Main.cpp(77) : error C2057: expected constant expression
F:\temp\13162134.571\Main.cpp(77) : error C2466: cannot allocate an array of constant size 0
F:\temp\13162134.571\Main.cpp(77) : error C2133: 'a' : unknown size这是自己电脑给出的 warning non-static data member initializers only available with -std=c++11 or -std=gnu++11 #include<iostream>
#include<vector>
#include<cmath>
using namespace std;
struct island{
double x;
double y;
double distance;
double t =pow((distance * distance - y * y),0.5);
double start = ceil(x - t);
double end = floor(x + t);
};
void sort(double *start,int landNum)//用雷达区间起始点排序岛屿
{
for(int i = landNum - 1;i > 0;i--)
{
if(start < start)
{
double temp = start;
start = start;
start = temp;
}
}
}
//size是已经存入容器中岛屿个数
//a[]是已经存入岛屿的结束点
//start是当前岛屿起始点
int test(int size ,double* a,double start)
{
int flag = 1;
for(int i = 0;i < size;i++)
{
if(start <= a)
flag = 0;
}
return flag;
}
int main()
{
//input
int islandNum;
double radarDistance;
int d = 1;
while (cin >> islandNum >> radarDistance&&(islandNum || radarDistance))
{
island island;
for(int i = 0;i < islandNum;i++)
{
cin >> island.x >> island.y;
island.distance = radarDistance;
}
double start1;//存储所有岛屿的雷达区间起始点
for(int i = 0;i < islandNum;i++)
{
start1 = island.start;
}
sort(start1,islandNum);
vector<int> islandSubcript;//存储被选中雷达的岛屿下标
islandSubcript.push_back(0);//第一个岛屿必然被选中
for(int i = 1;i < islandNum;i++)
{
//比较当前第i+1岛屿与之前所有岛屿的结束点，若符合加入容器
double a;//存储所有岛屿结束点
for(int j = 0;j < islandSubcript.size();j++)
{
a = island.end;
}
double s = island.start;
if(test(islandSubcript.size(),a,s))
{
islandSubcript.push_back(i);
}
}
cout << "Case " << d++<<": " <<islandSubcript.size()<<endl;
}
return 0;
}
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