Submission #646804

#	Time	Username	Problem	Language	Result	Execution time	Memory
646804		VitaliyFS	Floppy (RMI20_floppy)	C++17	Compilation error	0 ms	0 KiB

floppy

#include <algorithm>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

#include "floppy.h"

#define NMAX 100000
#define MMAX 100000

int subtask_id, N, M;
std::vector<int> v, sorted_v;
std::vector<int> a, b;
std::vector<int> correct_answers;

// Print score to stdout and exit.
void score_and_exit(const double pts, const char *verdict) {
    fprintf(stderr, "%s", verdict);
    fprintf(stdout, "%f", pts);
    exit(0);
}

// Contestant sent too many bits.
void too_many_bits() {
    score_and_exit(0, "Too many stored bits!");
}

// Contestant did not send any bits.
void misformatted_stored_bits() {
    score_and_exit(0, "Misformatted stored bits or save_to_floppy not called!");
}

// Contestant did not call the answer function.
void answer_not_provided() {
    score_and_exit(0, "Answer not provided!");
}

// Contestant sent a wrong answer.
void wrong_answer() {
    score_and_exit(0, "Wrong answer to query!");
}

// Contestant sent a correct answer.
void correct_answer() {
    score_and_exit(1, "OK!");
}

void read_test() {
    assert(scanf("%d", &subtask_id) == 1);
    assert(scanf("%d%d", &N, &M) == 2);
    assert(1 <= N && N <= NMAX);
    assert(0 <= M && M <= MMAX);
    v.resize(N);
    for (int i = 0; i < N; ++i) {
        assert(scanf("%d", &v[i]) == 1);
    }

    // Check all values are distinct.
    sorted_v.resize(N);
    for (int i = 0; i < N; ++i) {
        sorted_v[i] = v[i];
    }
    std::sort(sorted_v.begin(), sorted_v.end());
    for (int i = 0; i + 1 < N; ++i) {
        assert(sorted_v[i] < sorted_v[i + 1]);
    }

    a.resize(M);
    b.resize(M);
    correct_answers.resize(M);
    for (int i = 0; i < M; ++i) {
        assert(scanf("%d%d%d", &a[i], &b[i], &correct_answers[i]) == 3);
        assert(0 <= a[i] && a[i] <= correct_answers[i] &&
              correct_answers[i] <= b[i] && b[i] < N);
    }
}

void save_to_floppy(const std::string &bits) {
    std::vector<int> contestant_answers = solve_queries(subtask_id, N, bits, a, b);
    for (int i = 0; i < M; ++i) {
        if (contestant_answers[i] != correct_answers[i]) {
            wrong_answer();
        }
    }
    correct_answer();
    exit(0);
}

int main(int argc, char **argv) {
    // Read input data.
    read_test();

    // Send subtask_id, v.
    read_array(subtask_id, v);
    
    answer_not_provided();
    return 0;
}

Compilation message (stderr)

stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  101 |     if (query_answers.size() != M) {
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccTVii76.o: in function `save_to_floppy(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
stub.cpp:(.text+0x1a0): multiple definition of `save_to_floppy(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'; /tmp/cczU7Hf4.o:floppy.cpp:(.text+0x480): first defined here
/usr/bin/ld: /tmp/ccTVii76.o: in function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cczU7Hf4.o:floppy.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cczU7Hf4.o: in function `save_to_floppy(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
floppy.cpp:(.text+0x4ba): undefined reference to `solve_queries(int, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<int, std::allocator<int> > const&, std::vector<int, std::allocator<int> > const&)'
/usr/bin/ld: /tmp/cczU7Hf4.o: in function `main':
floppy.cpp:(.text.startup+0x1d): undefined reference to `read_array(int, std::vector<int, std::allocator<int> > const&)'
/usr/bin/ld: /tmp/ccTVii76.o: in function `run2()':
stub.cpp:(.text+0x698): undefined reference to `solve_queries(int, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<int, std::allocator<int> > const&, std::vector<int, std::allocator<int> > const&)'
/usr/bin/ld: /tmp/ccTVii76.o: in function `run1()':
stub.cpp:(.text+0xb1d): undefined reference to `read_array(int, std::vector<int, std::allocator<int> > const&)'
collect2: error: ld returned 1 exit status