Submission #321344

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
3213442020-11-12 07:07:44nishuzLasers (NOI19_lasers)C++14
24 / 100
89 ms6116 KiB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define ull unsigned long long
#define ld long double
#define F first
#define S second
#define eb emplace_back
#define pb push_back
#define mp make_pair
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
using namespace __gnu_pbds;
using namespace std;
template <typename T> using oset = tree <pair <T, T>, null_type, less <pair <T, T>>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename T>
void ckmin(T& a, const T b) {a = min(a, b);}
template <typename T>
void ckmax(T& a, const T b) {a = max(a, b);}
template <typename T>
void print(vector <T> v) {
for (T i : v) cout << i << " ";
cout << '\n';
 
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Compilation message (stderr)

lasers.cpp: In function 'void usaco(std::string)':
lasers.cpp:72:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   72 |         freopen((name+".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lasers.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   73 |         freopen((name+".txt").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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