Submission #1008277

#TimeUsernameProblemLanguageResultExecution timeMemory
1008277m5588ohammedBootfall (IZhO17_bootfall)C++14
0 / 100
1 ms348 KiB
/****************************************************************************** Welcome to GDB Online. GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl, C#, OCaml, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog. Code, Compile, Run and Debug online from anywhere in world. *******************************************************************************/ #include <bits/stdc++.h> using namespace std; #define endl "\n" int vis[20][500]; int arr[20],skip=-1,t,flag=0; int ans[500],curr[500]; int n; void solve(int i,int sum){ if(sum>(t+1)/2) return; if(vis[i][sum]==1) return; if(i==n){ curr[((t-arr[skip])-sum)-sum]=1; return; } if(i!=skip) solve(i+1,sum+arr[i]); solve(i+1,sum); vis[i][sum]=1; return; } void check(int i,int sum){ if(sum>(t+1)/2) return; if(vis[i][sum]==1) return ; if(i==n){ if(t/2==sum) flag=1; return; } check(i+1,sum+arr[i]); check(i+1,sum); vis[i][sum]=1; return; } signed main() { cin>>n; for(int i=0;i<n;i++){ cin>>arr[i]; t+=arr[i]; } if(t%2==0) check(0,0); if(flag==0){ cout<<0<<endl; return 0; } skip=0; memset(vis,0,sizeof vis); solve(0,0); for(int i=1;i<=500;i++) ans[i]=curr[i]; for(int i=1;i<n;i++){ skip=i; memset(vis,0,sizeof vis); memset(curr,0,sizeof curr); solve(0,0); for(int j=1;j<=500;j++) ans[j]=min(ans[j],curr[j]); for(int j=1;j<=500;j++) ans[j]=min(ans[j],curr[j]); } int siz=0; for(int j=1;j<=500;j++) siz+=ans[j]; cout<<siz<<endl; for(int j=1;j<=500;j++) if(ans[j]==1) cout<<j<<" "; return 0; }

Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:63:42: warning: iteration 499 invokes undefined behavior [-Waggressive-loop-optimizations]
   63 |     for(int i=1;i<=500;i++) ans[i]=curr[i];
      |                                    ~~~~~~^
bootfall.cpp:63:18: note: within this loop
   63 |     for(int i=1;i<=500;i++) ans[i]=curr[i];
      |                 ~^~~~~
bootfall.cpp:69:39: warning: iteration 499 invokes undefined behavior [-Waggressive-loop-optimizations]
   69 |         for(int j=1;j<=500;j++) ans[j]=min(ans[j],curr[j]);
      |                                 ~~~~~~^~~~~~~~~~~~~~~~~~~~
bootfall.cpp:69:22: note: within this loop
   69 |         for(int j=1;j<=500;j++) ans[j]=min(ans[j],curr[j]);
      |                     ~^~~~~
bootfall.cpp:70:39: warning: iteration 499 invokes undefined behavior [-Waggressive-loop-optimizations]
   70 |         for(int j=1;j<=500;j++) ans[j]=min(ans[j],curr[j]);
      |                                 ~~~~~~^~~~~~~~~~~~~~~~~~~~
bootfall.cpp:70:22: note: within this loop
   70 |         for(int j=1;j<=500;j++) ans[j]=min(ans[j],curr[j]);
      |                     ~^~~~~
bootfall.cpp:74:39: warning: iteration 499 invokes undefined behavior [-Waggressive-loop-optimizations]
   74 |     for(int j=1;j<=500;j++) siz+=ans[j];
      |                                  ~~~~~^
bootfall.cpp:74:18: note: within this loop
   74 |     for(int j=1;j<=500;j++) siz+=ans[j];
      |                 ~^~~~~
bootfall.cpp:76:37: warning: iteration 499 invokes undefined behavior [-Waggressive-loop-optimizations]
   76 |     for(int j=1;j<=500;j++) if(ans[j]==1) cout<<j<<" ";
      |                                ~~~~~^
bootfall.cpp:76:18: note: within this loop
   76 |     for(int j=1;j<=500;j++) if(ans[j]==1) cout<<j<<" ";
      |                 ~^~~~~
bootfall.cpp:63:35: warning: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' forming offset [2000, 2003] is out of the bounds [0, 2000] of object 'ans' with type 'int [500]' [-Warray-bounds]
   63 |     for(int i=1;i<=500;i++) ans[i]=curr[i];
      |                             ~~~~~~^~~~~~~~
bootfall.cpp:15:5: note: 'ans' declared here
   15 | int ans[500],curr[500];
      |     ^~~
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