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72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
#include <iostream>
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#include <cstdlib>
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#include <fstream>
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#include <vector>
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std::ofstream score("score.txt");
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template <typename T>
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inline void assert(const T& condition, const std::string& message) {
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if (!condition) {
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std::cerr << message << std::endl;
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score << -1 << std::endl;
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exit(0);
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}
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}
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int main() {
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std::ifstream datin("input");
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int n, nguess = 0;
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datin >> n;
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std::vector<int> nums(n);
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for (int i = 0; i < n; i++) {
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datin >> nums[i];
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}
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while (true) {
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std::string cmd;
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std::cin >> cmd;
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if (cmd == "get_num") {
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std::cout << n << std::endl
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<< std::flush;
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} else if (cmd == "guess") {
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nguess++;
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int index, val;
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assert(std::cin >> index >> val, "Invalid `index` or `val` in `guess` command!");
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assert(0 <= index && index < n, "`index` must in [0, n)!");
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if (val < nums[index]) {
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std::cout << -1 << std::endl
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<< std::flush;
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} else if (val > nums[index]) {
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std::cout << 1 << std::endl
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<< std::flush;
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} else {
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std::cout << 0 << std::endl
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<< std::flush;
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}
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} else if (cmd == "submit") {
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bool wrongAnswer = false;
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for (int i = 0; i < n; i++) {
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int x;
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assert(std::cin >> x, "Can't read the " + std::to_string(i) + "-th number!");
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if (x != nums[i] && !wrongAnswer) {
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wrongAnswer = true;
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std::cerr << "First differ on the " + std::to_string(i) + "-th number!" << std::endl;
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score << 0 << std::endl;
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}
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}
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if (!wrongAnswer) {
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score << std::max(std::min(100.0, (950.0 - ((double)nguess / n - 100.0)) / 950.0 * 100.0), 0.0) << std::endl;
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std::cerr << "nguess = " + std::to_string(nguess) << std::endl;
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}
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exit(0);
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} else {
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assert(false, "Invalid command `" + cmd + "`!");
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}
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}
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}
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