제출 #245162

#제출 시각아이디문제언어결과실행 시간메모리
245162urd05매트 (KOI15_mat)C++14
21 / 100
14 ms384 KiB
#include <bits/stdc++.h> using namespace std; struct Mat { int p,l,r,h,k; }; Mat arr[10]; bool meet[10][10]; int n,w; bool isMeet(Mat a,Mat b) { if (a.p==b.p) { if (a.r<=b.l||b.r<=a.l) { return false; } return true; } else { if (a.h+b.h<=w) { return false; } if (a.r<=b.l||b.r<=a.l) { return false; } return true; } } int main(void) { scanf("%d %d",&n,&w); for(int i=0;i<n;i++) { scanf("%d %d %d %d %d",&arr[i].p,&arr[i].l,&arr[i].r,&arr[i].h,&arr[i].k); } long long ret=0; for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { if (isMeet(arr[i],arr[j])) { meet[i][j]=true; } } } for(int i=0;i<(1<<n);i++) { bool flag=true; for(int one=0;one<n;one++) { for(int two=0;two<n;two++) { if (one!=two&&(i&(1<<one))!=0&&(i&(1<<two))!=0) { if (meet[one][two]) { flag=false; break; } } } } if (!flag) { continue; } long long sum=0; for(int j=0;j<n;j++) { if ((i&(1<<j))!=0) { sum+=arr[j].k; } } ret=max(ret,sum); } printf("%lld",ret); }

컴파일 시 표준 에러 (stderr) 메시지

mat.cpp: In function 'int main()':
mat.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&w);
     ~~~~~^~~~~~~~~~~~~~~
mat.cpp:33:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d %d %d",&arr[i].p,&arr[i].l,&arr[i].r,&arr[i].h,&arr[i].k);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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