Submission #248817

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2488172020-07-13 13:27:47LittleFlowers__Rectangles (IOI19_rect)C++17
0 / 100
6 ms640 KiB
#include <bits/stdc++.h>
using namespace std;
#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0);
#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)
#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define all(a) a.begin(),a.end()
#define reset(f, x) memset(f, x, sizeof(f))
#define gg exit(0);
const int N=2510;
int m,n;
int a[N][N];
int rt[N][N], lf[N][N], dw[N][N];
long long count_rectangles(vector<vector<int>> arr){
m=arr.size(), n=arr[0].size();
forinc(i,1,m) forinc(j,1,n) a[i][j]=arr[i-1][j-1];
forinc(i,1,m){
 
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Compilation message (stderr)

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:65:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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