# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
378540 | 2021-03-17T01:37:55 Z | daniel920712 | Chessboard (IZhO18_chessboard) | C++14 | 66 ms | 8920 KB |
#include <iostream> #include <stdio.h> #include <stdlib.h> #include <vector> #include <map> using namespace std; vector < long long > have; long long con1[100005]; long long con2[100005]; map < pair < long long , long long > , long long > con[100005]; int main() { long long N,M,ans=2e9,t,a,b,c,d,i,j,k,x,y; scanf("%lld %lld",&N,&M); for(i=1;i<N;i++) { if(N%i==0) { have.push_back(i); con1[i]=(N/i)*(N/i)/2; con2[i]=(N/i)*(N/i)/2+(N/i)*(N/i)%2; //printf("%lld %lld %lld\n",i,con1[i],con2[i]); } } while(M--) { scanf("%lld %lld %lld %lld",&a,&b,&c,&d); for(i=a;i<=c;i++) { for(j=b;j<=d;j++) { for(auto k:have) { x=(i-1)/k; y=(j-1)/k; if((x+y)%2) { if(con[k].find(make_pair(x,y))==con[k].end()) con1[k]--; con[k][make_pair(x,y)]++; } else { if(con[k].find(make_pair(x,y))==con[k].end()) con2[k]--; con[k][make_pair(x,y)]++; } } } } } for(auto i:have) { a=con1[i]*i*i; for(auto j:con[i]) { if((j.first.first+j.first.second)%2) a+=i*i-j.second; else a+=j.second; } ans=min(ans,a); a=con2[i]*i*i; for(auto j:con[i]) { if((j.first.first+j.first.second)%2==1) a+=i*i-j.second; else a+=j.second; } ans=min(ans,a); } printf("%lld\n",ans); return 0; } /* 6 8 3 3 3 3 1 2 1 2 3 4 3 4 5 5 5 5 4 3 4 3 4 4 4 4 2 1 2 1 3 6 3 6 */
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 4972 KB | Output is correct |
2 | Correct | 4 ms | 4972 KB | Output is correct |
3 | Correct | 3 ms | 4972 KB | Output is correct |
4 | Correct | 4 ms | 4972 KB | Output is correct |
5 | Correct | 4 ms | 4972 KB | Output is correct |
6 | Correct | 3 ms | 4972 KB | Output is correct |
7 | Correct | 3 ms | 4972 KB | Output is correct |
8 | Correct | 4 ms | 4972 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 66 ms | 8920 KB | Output isn't correct |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 5100 KB | Output is correct |
2 | Correct | 4 ms | 5024 KB | Output is correct |
3 | Correct | 4 ms | 5100 KB | Output is correct |
4 | Correct | 6 ms | 5228 KB | Output is correct |
5 | Correct | 4 ms | 5100 KB | Output is correct |
6 | Incorrect | 4 ms | 5100 KB | Output isn't correct |
7 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 5100 KB | Output is correct |
2 | Correct | 4 ms | 5024 KB | Output is correct |
3 | Correct | 4 ms | 5100 KB | Output is correct |
4 | Correct | 6 ms | 5228 KB | Output is correct |
5 | Correct | 4 ms | 5100 KB | Output is correct |
6 | Incorrect | 4 ms | 5100 KB | Output isn't correct |
7 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 66 ms | 8920 KB | Output isn't correct |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 4972 KB | Output is correct |
2 | Correct | 4 ms | 4972 KB | Output is correct |
3 | Correct | 3 ms | 4972 KB | Output is correct |
4 | Correct | 4 ms | 4972 KB | Output is correct |
5 | Correct | 4 ms | 4972 KB | Output is correct |
6 | Correct | 3 ms | 4972 KB | Output is correct |
7 | Correct | 3 ms | 4972 KB | Output is correct |
8 | Correct | 4 ms | 4972 KB | Output is correct |
9 | Incorrect | 66 ms | 8920 KB | Output isn't correct |
10 | Halted | 0 ms | 0 KB | - |