Submission #771206

#	Time	Username	Problem	Language	Result	Execution time	Memory
771206		Trisanu_Das	Snowball (JOI21_ho_t2)	C++17	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define N 200005
#define ff first
#define ss second

int x[N], now, rmx, lmx, ans[N];
vector<pair<int, int> > v;
signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	int n,q,i,j,w;
	cin >> n >> q;
	x[0] = INT_MIN, x[n+1] = INT_MAX;
	for(i = 1;i <= n + 1; i++){
		if(i <= n) cin >> x[i];
		v.push_back(x[i] - x[i - 1], i - 1);
	}
	sort(v.begin(), v.end())
	i = 0;
	while(q--){
		cin >> w;
		now += w;
		rmx = max(now, rmx), lmx = min(now, lmx);
		while(rmx - lmx >= v[i].ff){
			if(w > 0) ans[v[i].ss] += v[i].ff + lmx, ans[v[i].ss+1] -= lmx;
			else ans[v[i].ss] += rmx, ans[v[i].ss + 1] += v[i].ff - rmx;
			i++;
		}
	}
	while(i < v.size()){
		ans[v[i].ss] += rmx, ans[v[i].ss + 1] -= lmx;
		i++;
	}
	for(i = 1; i <= n; i++) cout << ans[i] << '\n';
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:16:37: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int, int)'
   16 |   v.push_back(x[i] - x[i - 1], i - 1);
      |                                     ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note:   candidate expects 1 argument, 2 provided
Main.cpp:18:26: error: expected ';' before 'i'
   18 |  sort(v.begin(), v.end())
      |                          ^
      |                          ;
   19 |  i = 0;
      |  ~                        
Main.cpp:30:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  while(i < v.size()){
      |        ~~^~~~~~~~~~
Main.cpp:11:12: warning: unused variable 'j' [-Wunused-variable]
   11 |  int n,q,i,j,w;
      |            ^