Submission #144037

#	Time	Username	Problem	Language	Result	Execution time	Memory
144037		Ort	Automobil (COCI17_automobil)	Pypy 2	0 / 100	39 ms	11488 KiB

automobil

def gauss(fr,to,nums):
    return ((fr+to)*nums)//2

def val(y,x):
    return (y-1)*m + x


n, m, k = map(int,input().split());

Mr = dict();
Mc = dict();

for i in range(k):
    c, x, y = map(str, input().split())
    x = int(x); y = int(y);
    if(c=='R'):
        try: Mr[x]*=y
        except KeyError: Mr[x]=y
    if(c=='S'):
        try: Mc[x]*=y
        except KeyError: Mc[x]=y

upd_r = list(Mr.items())
upd_c = list(Mc.items())
upd_r.sort(); upd_c.sort();

sol = 0;
sum_w = 0;

for col, col_up in upd_c:
    last_row = 1;
    for row, row_up in upd_r:
        if(row==last_row):
            c = val(row,col);
            sol = sol + (c*row_up*col_up);
            sum_w = sum_w + c;
            last_row = row+1;
            continue;
        elif(row==last_row+1):
            c = val(last_row,col);
            sol = sol + (c*col_up);
            sum_w = sum_w+c;
            last_row = row+1;
        else:
            cl = val(last_row, col);
            ch = val(row-1, col);
            sum_range = gauss(cl,ch,row-last_row);
            mult_range = sum_range * col_up;
            sol = sol + mult_range;
            sum_w = sum_w + sum_range;
            last_row = row+1;
        c = val(row,col);
        sol = sol + (c*col_up*row_up);
        sum_w = sum_w + c;
        last_row = row + 1;
    if(last_row>n):
        continue;
    elif(last_row==n):
        c = val(n, col);
        sol = sol + (c*col_up);
        sum_w = sum_w+c;
    else:
        cl = val(last_row, col);
        ch = val(n, col);
        sum_range = gauss(cl,ch,n-last_row+1);
        mult_range = sum_range*col_up
        sol = sol+mult_range
        sum_w = sum_w+sum_range
for row, row_up in upd_r:
    last_col = 1;
    for col, col_up in upd_c:
        if(last_col==col):
            last_col = col+1;
            continue;
        elif(col==last_col+1):
            c = val(row, last_col);
            sol = sol + (c*row_up);
            sum_w = sum_w + c;
            last_col = col+1;
            continue;
        else:
            cl = val(row, last_col)
            ch = val(row,col-1)
            sum_range = gauss(cl,ch,col-last_col)
            mult_range = sum_range * row_up
            sol = sol + mult_range;
            sum_w = sum_w + sum_range
            last_col = col+1;
    if(last_col>m):
        continue;
    elif(last_col==m):
        c = val(row, m);
        sol = sol + (c*row_up);
        sum_w = sum_w+c;
    else:
        cl = val(row,last_col);
        ch = val(row,m);
        sum_range = gauss(cl,ch,m-last_col+1);
        mult_range = sum_range * row_up;
        sol = sol + mult_range;
        sum_w = sum_w + sum_range;
t = n * m;
total_no_update = (t*(t+1))//2
res = total_no_update - sum_w;
sol = sol+res;
print(sol%1000000007)

        

• Subtask 1: 0 / 100