问一下spj的问题

自己整了一个checker.cpp，拿spj说明上的代码编译：

CPP

#include "testlib.h"

int main(int argc, char* argv[]) {
    registerTestlibCmd(argc, argv);

    while(!ans.eof()){
        double pans = ouf.readDouble();
        double jans = ans.readDouble();
        ans.readEoln();

        if (fabs(pans - jans)>0.01)
            quitf(_wa, "The answer is wrong: expected = %f, found = %f", jans, pans);

    }
    quitf(_ok, "The answer is correct.");
    return 0;

}

然后结果是这个：

CPP

FAIL Program must be run with the following arguments: <input-file> <output-file
> <answer-file> [<report-file> [<-appes>]]
Use "--help" to get help information

看到好像要加一个命令行，在哪里加啊QAQ

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问一下spj的问题