Submission #925446

#	Time	Username	Problem	Language	Result	Execution time	Memory
925446		BoopyTheNoob	Balloons (CEOI11_bal)	C++14	0 / 100	2066 ms	8160 KiB

bal

#include <bits/stdc++.h>
using namespace std;

void subtask1 (vector<pair<double, double>> info) {
    vector<double> ans(info.size());
    ans[0] = info[0].second;
    for (int i = 1; i < info.size(); i++) {
        double pans = 1e9;
        for (int j = 0; j < i; j++)
            pans = min(pans, (info[i].first - info[j].first) * (info[i].first - info[j].first) / (4 * ans[j]));
        ans[i] = min(pans, info[i].second);
    }
    for (auto x: ans) printf("%.3lf\n", x);
}

int main (void) {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin >> n;
    vector<pair<double, double>> info(n);
    for (int i = 0; i < n; i++)
        scanf("%lf %lf", &info[i].first, &info[i].second);
    subtask1(info);
    return 0;
}

Compilation message (stderr)

bal.cpp: In function 'void subtask1(std::vector<std::pair<double, double> >)':
bal.cpp:7:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<double, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for (int i = 1; i < info.size(); i++) {
      |                     ~~^~~~~~~~~~~~~
bal.cpp: In function 'int main()':
bal.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         scanf("%lf %lf", &info[i].first, &info[i].second);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10