Submission #637763

#	Time	Username	Problem	Language	Result	Execution time	Memory
637763		victor_gao	Ants and Sugar (JOI22_sugar)	C++17	6 / 100	4082 ms	3244 KiB

sugar

//#pragma GCC optimize("Ofast,unroll-loops,O3")
//#pragma GCC optimize("avx,avx2,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,fma,tune=native")
#include<bits/stdc++.h>
//#include<bits/extc++.h>
//#pragma pack(1)
#define fast ios::sync_with_stdio(0); cin.tie(0);
#define int long long
#define pii pair<int,int>
#define x first
#define y second
using namespace std;
//using namespace __gnu_pbds;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//typedef tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> order_multiset;
//typedef tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> order_set;
int q,l;
set<pii>ant,cube;
int count(){
    vector<pii>a,c;
    for (auto i:ant)
        a.push_back(i);
    for (auto i:cube)
        c.push_back(i);
    int p=0,ans=0;
    for (auto i:c){
        while (p<a.size()&&(i.x-a[p].x>l||a[p].y==0)){
            p++;   
        }
        pii now=i;
        while (p<a.size()&&now.y>0&&a[p].x-now.x<=l){
            int take=min(now.y,a[p].y);
            ans+=take;
            a[p].y-=take;
            now.y-=take;
            if (a[p].y==0) p++;
        }
    }
    return ans;
}
signed main(){
    fast
    cin>>q>>l;
    for (int i=1;i<=q;i++){
        int t,x,a; cin>>t>>x>>a;
        if (t==1){
            ant.insert({x,a});
        }
        else {
            cube.insert({x,a});
        }
        cout<<count()<<'\n';
    }
}

Compilation message (stderr)

sugar.cpp: In function 'long long int count()':
sugar.cpp:26:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         while (p<a.size()&&(i.x-a[p].x>l||a[p].y==0)){
      |                ~^~~~~~~~~
sugar.cpp:30:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         while (p<a.size()&&now.y>0&&a[p].x-now.x<=l){
      |                ~^~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 0 / 16
• Subtask 3: 0 / 26
• Subtask 4: 0 / 52