View Compilation Error

0_0_20255855_21769.cpp
0_0_20255855_21769.cpp(105) : error C2563: 在形参表中不匹配
0_0_20255855_21769.cpp(105) : error C2568: “+=”: 无法解析函数重载
        VC2013\INCLUDE\xtgmath.h(100): 可能是“::std::enable_if<std::is_integral<_Ty>::value,double>::type floor(_Ty)”
        VC2013\INCLUDE\math.h(1185): 或       “long double floor(long double) throw()”
        VC2013\INCLUDE\math.h(1069): 或       “float floor(float) throw()”
        VC2013\INCLUDE\math.h(536): 或       “double floor(double)”
0_0_20255855_21769.cpp(105) : error C2146: 语法错误: 缺少“;”(在标识符“s”的前面)
0_0_20255855_21769.cpp(105) : error C2065: “i”: 未声明的标识符