Submission #152481

#	Time	Username	Problem	Language	Result	Execution time	Memory
152481		PedroBigMan	Tetris (COCI17_tetris)	C++14	80 / 80	3 ms	380 KiB

tetris

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define INF ((ll) pow(2,63) -1)
ll insig;
#define In(vecBRO, LENBRO) REP(IBRO,0,LENBRO) {cin>>insig; vecBRO.pb(insig);}
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
ll N,M; vector<vector<char> > a; vector<vector<pl> > CC; vector<vector<bool> > visited;

void DFS(ll x, ll y)
{
    if(visited[x][y] || a[x][y]=='.') {return;}
    visited[x][y]=true;
    CC[CC.size()-1].pb(mp(x,y));
    if(x>0 && a[x-1][y]==a[x][y]) {DFS(x-1,y);}
    if(x<N-1 && a[x+1][y]==a[x][y]) {DFS(x+1,y);}
    if(y>0 && a[x][y-1]==a[x][y]) {DFS(x,y-1);}
    if(y<M-1 && a[x][y+1]==a[x][y]) {DFS(x,y+1);}
    return;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>N>>M; vector<char> xx; vector<bool> xxx;
    REP(i,0,M) {xx.pb('a'); xxx.pb(false);}
    REP(i,0,N) {a.pb(xx); visited.pb(xxx);}
    REP(i,0,N) {REP(j,0,M) {cin>>a[i][j];}}
    vector<pl> use;
    REP(x,0,N)
    {
        REP(y,0,M)
        {
            if(!visited[x][y]) {CC.pb(use); DFS(x,y);}
        }
    }
    vector<ll> ans; REP(i,0,5) {ans.pb(0);}
    REP(i,0,CC.size())
    {
        sort(CC[i].begin(),CC[i].end());   
    }
    pl c1,c2,c3,c4; ll xmi,xma,ymi,yma;
    REP(i,0,CC.size())
    {
        if(CC[i].size()!=4) {continue;}
        c1=CC[i][0]; c2=CC[i][1]; c3=CC[i][2]; c4=CC[i][3];
        xmi=c1.ff; xma=c4.ff; ymi=INF; yma=-1;
        REP(j,0,4) {ymi=min(ymi,CC[i][j].ss); yma=max(yma,CC[i][j].ss);}
        if(xma-xmi==1 && yma-ymi==1) {ans[0]++; continue;}
        if(max(xma-xmi,yma-ymi)==3) {ans[1]++; continue;}
        if(xma-xmi==2)
        {
            if(c1.ss==c4.ss) {ans[4]++;}
            else if(c1.ss<c4.ss) {ans[2]++;}
            else {ans[3]++;}
        }
        else
        {
            if(c1.ff==c3.ff || c2.ff==c4.ff) {ans[4]++;}
            else if(c1.ss>c3.ss) {ans[2]++;}
            else {ans[3]++;}
        }
    }
    REP(i,0,5) {cout<<ans[i]<<endl;}
    return 0;
}

Compilation message (stderr)

tetris.cpp: In function 'void Out(std::vector<long long int>)':
tetris.cpp:10:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
tetris.cpp:19:29:
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                             ~~~~~~~~~~~~
tetris.cpp:19:25: note: in expansion of macro 'REP'
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                         ^~~
tetris.cpp: In function 'int main()':
tetris.cpp:10:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
tetris.cpp:51:9:
     REP(i,0,CC.size())
         ~~~~~~~~~~~~~            
tetris.cpp:51:5: note: in expansion of macro 'REP'
     REP(i,0,CC.size())
     ^~~
tetris.cpp:10:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
tetris.cpp:56:9:
     REP(i,0,CC.size())
         ~~~~~~~~~~~~~            
tetris.cpp:56:5: note: in expansion of macro 'REP'
     REP(i,0,CC.size())
     ^~~

• Subtask 1: 80 / 80