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View Compilation Error

0_0_4948569_15717.cpp
0_0_4948569_15717.cpp(23) : error C2668: “abs” : 对重载函数的调用不明确
        VC\include\math.h(584): 可能是“long double abs(long double)”
        VC\include\math.h(536): 或       “float abs(float)”
        VC\include\math.h(530): 或       “double abs(double)”
        VC\include\math.h(528): 或       “long abs(long)”
        VC\include\stdlib.h(265): 或       “int abs(int)”
        试图匹配参数列表“(LL)”时
0_0_4948569_15717.cpp(43) : error C2065: “mat” : 未声明的标识符
0_0_4948569_15717.cpp(43) : error C3861: “mat”: 即使使用参数相关的查找,也未找到标识符
0_0_4948569_15717.cpp(46) : fatal error C1075: 与左侧的 大括号“{”(位于“0_0_4948569_15717.cpp(38)”)匹配之前遇到文件结束


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