Submission #1076406

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1076406	2024-08-26 13:38:54	cpdreamer	Split the sequence (APIO14_sequence)	C++17	0 / 100	2 ms	604 KiB

sequence

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <utility>
#define V vector
#define S second
#define F first
#define P pair
#define pb push_back
#define all(v) v.begin(),v.end()
typedef long long ll;
using namespace __gnu_pbds;
using namespace std;
typedef tree<int,null_type,less<int>,rb_tree_tag,
        tree_order_statistics_node_update> indexed_set;
static int called = 0;const long long MOD = 1e9+7; // 1e9 + 7
void file(){
    freopen("input.txt.txt","r",stdin);
    freopen("output.txt.txt","w",stdout);
}
ll sum(int n){
    ll a=n;
    ll b=n+1;
    ll c=a*b;
    c=c/2;
    return c;
}
P<int,int>mex(V<int>a){
    int cnt=0;
    sort(all(a));
 
 
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Compilation message (stderr)

sequence.cpp: In function 'std::pair<int, int> mex(std::vector<int>)':
sequence.cpp:32:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(int i=0;i<a.size();i++){
      |                 ~^~~~~~~~~
sequence.cpp:42:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for(int i=0;i<a.size();i++){
      |                 ~^~~~~~~~~
sequence.cpp: In function 'void file()':
sequence.cpp:18:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     freopen("input.txt.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp:19:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     freopen("output.txt.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:103:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  103 |     freopen("sequence.in","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp:104:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  104 |     freopen("sequence.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp: At global scope:
sequence.cpp:15:12: warning: 'called' defined but not used [-Wunused-variable]
   15 | static int called = 0;const long long MOD = 1e9+7; // 1e9 + 7
      |            ^~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29