写作业运行c程序，跳出Debug Assertion Failed!Line: 1250

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如图所示，网上看了下都是650什么的，Line: 1250 那...怎么解决这个...或代码哪个有问题 --------------------------- Microsoft Visual C++ Runtime Library --------------------------- Debug Assertion Failed! Program: C:\Users\Administrator\source\repos\Project1\Debug\Project1.exe File: minkernel\crts\ucrt\inc\corecrt_internal_stdio_input.h Line: 1250 Expression: buffer != nullptr For information on how your program can cause an assertion failure, see the Visual C++ documentation on asserts. (Press Retry to debug the application) --------------------------- 中止(A) 重试(R) 忽略(I) ---------------------------