제출 #131613

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
131613		neki	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	2 ms	376 KiB

molecules

#include "molecules.h"

#include <bits/stdc++.h>

#define loop(i, a, b) for(int i=a;i<b;i++)
#define cc(a) cout<< a << endl;
using namespace std;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    map<int, int> dp;
    vector<int> ans;
    loop(i, 1, w.size()+1){
        auto dp2=dp;
        for(auto&& j: dp) if(j.first+w[i-1]<=u) dp2[j.first+w[i-1]]=i;
        if(dp2[w[i-1]]==0)dp2[w[i-1]]=i;dp=dp2;
        auto it=dp.lower_bound(l);
        if(it!=dp.end()){
            int cnt=it->first;
            while(cnt!=0){
                ans.push_back(dp[cnt]-1);
                cnt-=w[dp[cnt]-1];
            }
            break;
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:5:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define loop(i, a, b) for(int i=a;i<b;i++)
molecules.cpp:12:10:
     loop(i, 1, w.size()+1){
          ~~~~~~~~~~~~~~~~           
molecules.cpp:12:5: note: in expansion of macro 'loop'
     loop(i, 1, w.size()+1){
     ^~~~
molecules.cpp:15:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
         if(dp2[w[i-1]]==0)dp2[w[i-1]]=i;dp=dp2;
         ^~
molecules.cpp:15:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
         if(dp2[w[i-1]]==0)dp2[w[i-1]]=i;dp=dp2;
                                         ^~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31