Submission #890061

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
8900612023-12-20 13:31:45Zero_OPMatching (CEOI11_mat)C++14
100 / 100
555 ms40636 KiB
#include<bits/stdc++.h>
using namespace std;
#define range(v) begin(v), end(v)
#define compact(v) v.erase(unique(range(v)), end(v))
template<class T> bool minimize(T& a, T b){
if(a > b) return a = b, true;
return false;
}
template<class T> bool maximize(T& a, T b){
if(a < b) return a = b, true;
return false;
}
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
const int N = 1e6 + 5;
int n, m, a[N], b[N], pi[N], target[N], bit[N];
vector<int> ans;
void update(int id, int lim, int x){
for(; id <= lim; id += id & (-id)){
bit[id] += x;
}
 
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Compilation message (stderr)

mat.cpp: In function 'void Zero_OP()':
mat.cpp:107:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |   for(int i = 0; i < ans.size(); ++i){
      |                  ~~^~~~~~~~~~~~
mat.cpp: In function 'int main()':
mat.cpp:118:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  118 |     freopen(task".inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
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