Submission #1000123

#TimeUsernameProblemLanguageResultExecution timeMemory
1000123Lcc735Toy Train (IOI17_train)C++17
0 / 100
8 ms1884 KiB
#include "train.h" #include<bits/stdc++.h> using namespace std; vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) { int n=size(a); int m=size(u); vector<int> ans(n); vector <set<int>> st(n); set<int> ch; for(int i=0;i<n;i++){ if(r[i]==1){ ch.insert(i); } } for(int i=0;i<m;i++){ if(u[i]==n-1){ if(v[i]==0){ st[u[i]].insert(n); } } else{ st[u[i]].insert(v[i]); } } vector<int> est(n); for (int i=0;i<n;i++){ if(a[i]==0){ if((st[i].count(i)==1)&&(ch.count(i)==0)){ est[i]=0; } else if((st[i].count(i+1)==0)&&(ch.count(i)==1)){ est[i]=1; } else{ est[i]=2; } } else{ if((st[i].count(i+1)==0)&&(ch.count(i)==0)){ est[i]=0; } else if((st[i].count(i)==1)&&(ch.count(i)==1)){ est[i]=1; } else{ est[i]=2; } } } int rep=0; if(count(est.begin(),est.end(),2)==n){ rep=1; } for (int i=0;i<n;i++){ if(rep==0){ if(est[i]==0){ ans[i]==0; } else if(est[i]==1){ ans[i]==1; } else{ for(int j=i;j<n;j++){ if(est[j]==0){ ans[i]==0; est[i]==0; } else if(est[j]==1){ ans[i]==1; est[i]==1; } } for(int j=0;j<i;j++){ if(est[j]==0){ ans[i]==0; est[i]==0; } else if(est[j]==1){ ans[i]==1; est[i]==1; } } } } else{ ans[i]=1; } } return ans; }

Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:60:23: warning: value computed is not used [-Wunused-value]
   60 |                 ans[i]==0;
train.cpp:63:23: warning: value computed is not used [-Wunused-value]
   63 |                 ans[i]==1;
train.cpp:68:31: warning: value computed is not used [-Wunused-value]
   68 |                         ans[i]==0;
train.cpp:69:31: warning: value computed is not used [-Wunused-value]
   69 |                         est[i]==0;
train.cpp:73:31: warning: value computed is not used [-Wunused-value]
   73 |                         ans[i]==1;
train.cpp:74:31: warning: value computed is not used [-Wunused-value]
   74 |                         est[i]==1;
train.cpp:79:31: warning: value computed is not used [-Wunused-value]
   79 |                         ans[i]==0;
train.cpp:80:31: warning: value computed is not used [-Wunused-value]
   80 |                         est[i]==0;
train.cpp:84:31: warning: value computed is not used [-Wunused-value]
   84 |                         ans[i]==1;
train.cpp:85:31: warning: value computed is not used [-Wunused-value]
   85 |                         est[i]==1;
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