coderunner 2014 予選A

a.cpp

//インクルード・マクロ・定数 略

#define act(...) act2(__VA_ARGS__,"") 
string token = "KONOTOKENHANISEMONODESU114514810";
string act2(string com, ...) {
    string url = "https://game.coderunner.jp/";
    url += com+"?token="+token;
    va_list args;
    va_start(args, com);
    while (1) {
        string ns = va_arg(args, char*);
        if (ns == "") break;
        url += "&"+ns;
    }
    //cerr << url << endl;
    FILE *f = popen(("curl -s \"" + url + "\"").c_str(), "r");
    if (f == NULL) perror("error!");
    char buf[1024];
    string res;
    while (!feof(f)) {
        if (fgets(buf, 1024, f) == NULL) break;
        res += (string)(buf);
    }
    pclose(f);
    return res;
}
char* g(string att, string val) {
    static char tmp[105];
    att += "="+val;
    strcpy(tmp, att.c_str());
    return tmp;
}
char* g(string att, int val) {
    static char tmp[105];
    sprintf(tmp,"%d",val);
    att += "="+string(tmp);
    strcpy(tmp, att.c_str());
    return tmp;
}

int main() {
    snuke; // srand macro
    string res, s;
    rep(i,50) s += string(1,'A'+rand()%4);
    res = act("q",g("str",s.c_str()));
    int best = atoi(res.c_str());
    rep(ti,100000000) {
        int r = rand()%8+1;
        string p = s;
        int l = rand()%(50-r+1);
        rep(i,r) s[i+l] = rand()%4+'A';
        res = act("q",g("str",s.c_str()));
        int x = atoi(res.c_str());
        cerr << s << " : " << x << endl;
        if (best <= x) best = x; else s = p;
        cerr << "now : " << s << " " << best << endl;
        sleep(1);
    }
    return 0;
}