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- #include <bits/stdc++.h>
- using namespace std;
- int main()
- {
- int i ,j;
- double soma=0.0,media=0.0,m=0.0,M[12][12];
- char O;
- scanf(" %c",&O);
- for(i=0 ; i<12 ; i++){
- for(j=0 ; j<12 ; j++){
- scanf("%lf",&M[i][j]);
- }
- }
- for(i=0 ; i<=4 ; i++){
- for(j=1 ; j<=5 ; j++){
- if(j-i>0){
- soma+=M[i][j];
- m++;
- }
- }
- }
- for(i=0 ; i<=4 ; i++){
- for(j=6 ; j<11 ; j++){
- if(j-i>1){
- soma+=M[i][j];
- m++;
- }
- }
- }
- if(O=='S'){
- printf("%.1lf\n",soma);
- }
- if(O=='M'){
- media = soma/m;
- printf("%.1lf\n",media);
- }
- return 0;
- }
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