Friday the Thirteenth

/*
ID: rnd.gde1
LANG: C++
PROG: friday
*/

#include <fstream>
using namespace std;

struct dates{
    int year, month[12], day[31];
}date[400];

int main(){

    ifstream inFile("friday.in");
    ofstream outFile("friday.out");
    bool leap;
    int n, weekDay=0, mDays, smth=0, wDay[31], total=0, mon=0,tue=0,wed=0,thu=0,fri=0,sat=0,sun=0,
        months[12][1] = {
            {31},{0},{31},{30},{31},{30},{31},{31},{30},{31},{30},{31}
        },
        week[7][1] = {
            {1},{2},{3},{4},{5},{6},{7}
        };


    inFile >> n;

    for(int y=1900;y<1900+n;y++){
        date[smth].year=y;

        //check for leap year
        if(y%100==0){
            if(y%400==0){
                //leap century year
                leap = true;
            }
            else{
                //century not leap year
                leap = false;
            }
        }
        else{
            if(y%4==0){
                //leap year
                leap = true;
            }
            else{
                //usual year
                leap = false;
            }
        }

        leap ? months[1][0]=29 : months[1][0]=28;

        for(int m=0;m<12;m++){
            date[smth].month[m]=m+1;
            mDays = months[m][0];

            for(int d=0;d<mDays;d++){
                weekDay++;
                total++;
                date[smth].day[d]=d+1;

                if(weekDay>7){
                    weekDay=1;
                }
                wDay[d]=weekDay;

                if(d==13&&weekDay==1){
                    mon++;
                }else if(d==13&&weekDay==2){
                    tue++;
                }else if(d==13&&weekDay==3){
                    wed++;
                }else if(d==13&&weekDay==4){
                    thu++;
                }else if(d==13&&weekDay==5){
                    fri++;
                }else if(d==13&&weekDay==6){
                    sat++;
                }else if(d==13&&weekDay==7){
                    sun++;
                }

            }

        }
        smth++;
    }

    outFile << sun << " " << mon << " " << tue << " " << wed << " " << thu << " " << fri << " " << sat << endl;


    return 0;
}