제출 #800570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
800570		Khizri	사탕 분배 (IOI21_candies)	C++17	3 / 100	3247 ms	2097152 KiB

candies

#include "candies.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define F first
#define S second
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
const int mxn=2005;
ll n,q,sum[mxn],mn[mxn],mx[mxn];
vector<ll>pre[mxn];
vector<int> distribute_candies(vector<int> c, vector<int> x, vector<int> y, vector<int> vq) {
    n = c.size();
    q=x.size();
    for(int i=0;i<q;i++){
        int l=x[i],r=y[i],val=vq[i];
        for(int j=l;j<=r;j++){
            pre[j].pb(vq[i]);
        }
    }
    vector<int>ans;
    for(int id=0;id<n;id++){
        int lim=c[id];
        int sz=pre[id].size();
        for(int i=1;i<=pre[id].size();i++){
            sum[i]=sum[i-1]+pre[id][i-1];
        }
        mx[sz]=mn[sz]=sum[sz];
        for(int i=sz-1;i>=0;i--){
            mx[i]=max(mx[i+1],sum[i]);
            mn[i]=min(mn[i+1],sum[i]);
        }
        int pos=0;
        for(int i=sz;i>=1;i--){
            if(mx[i]-mn[i]>lim){
                pos=i;
                break;
            }
        }
        if(mx[pos]-sum[pos]>lim){
            ans.pb(lim-(mx[pos]-sum[sz]));
        }
        else{
            ans.pb(sum[sz]-mn[pos]);
        }
    }
    return ans;
}
/*
g++ candies.cpp grader.cpp ; .\a.exe
3 
10 15 13
2
0 2 20
0 1 -11
1
4
9
0 0 -100
0 0 4
0 0 -8
0 0 200
0 0 -5
0 0 2
0 0 1
0 0 -2
0 0 1

1
67
3
0 0 -60
0 0 -41
0 0 100

-100 -96 -104 96 91 93 94 92 93
1
10
9
0 0 100
0 0 5
0 0 7
0 0 -4
0 0 -1000
0 0 2
0 0 1
0 0 10000
0 0 -9
-100 -95 -88 -92 -90 -89

1
50
8
0 0 100
0 0 -200
0 0 25
0 0 -30
0 0 14
0 0 50
0 0 -30
0 0 29

1
440
10
0 0 60
0 0 -9
0 0 -30
0 0 41
0 0 82
0 0 69
0 0 -79
0 0 -39
0 0 72
0 0 41
*/

컴파일 시 표준 에러 (stderr) 메시지

candies.cpp: In function 'std::vector<int> distribute_candies(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
candies.cpp:22:27: warning: unused variable 'val' [-Wunused-variable]
   22 |         int l=x[i],r=y[i],val=vq[i];
      |                           ^~~
candies.cpp:31:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for(int i=1;i<=pre[id].size();i++){
      |                     ~^~~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33