Submission #654808

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
654808	2022-11-01 17:01:11	t6twotwo	Catfish Farm (IOI22_fish)	C++17	Compilation error	0 ms	0 KiB

fish

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#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
const long long inf = -(1LL << 50);
long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
  vector p(n, vector<int>(n + 1));
  for (int i = 0; i < m; i++) {
    p[x[i]][y[i] + 1] = w[i];
  }
  vector s(n, vector<long long>(n + 2));
  for (int i = 0; i < n; i++) {
    for (int j = 0; j <= n; j++) {
      s[i][j + 1] = s[i][j] + p[i][j];
    }
  }
  auto range_sum = [&](int i, int l, int r) -> long long {
    if (i == -1) {
      return 0;
    }
    return s[i][r + 1] - s[i][l + 1];
  };
  vector<vector<int>> b(n);
  for (int i = 0; i < m; i++) {
    b[x[i]].push_back(i);
  }
  vector d(n, vector<int>{-1});
  vector<vector<int>> r(n), p(n);
  for (int i = 0; i < n; i++) {
    sort(b[i].begin(), b[i].end(), [&](int j, int k) {
      return y[j] < y[k];
 
 
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Compilation message (stderr)

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:27:29: error: redeclaration of 'std::vector<std::vector<int>, std::allocator<std::vector<int> > > p'
   27 |   vector<vector<int>> r(n), p(n);
      |                             ^
fish.cpp:6:10: note: 'std::vector<std::vector<int>, std::allocator<std::vector<int> > > p' previously declared here
    6 |   vector p(n, vector<int>(n + 1));
      |          ^
fish.cpp: In lambda function:
fish.cpp:60:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |     for (int j = 0; j < p[i].size(); j++) {
      |                     ~~^~~~~~~~~~~~~
fish.cpp: In lambda function:
fish.cpp:73:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     for (int j = 0; j < p[i].size(); j++) {
      |                     ~~^~~~~~~~~~~~~