#include <bits/stdc++.h> using namespace std; int x,y,z,wynik; struct kolor{ bool red; bool blue; bool yellow; }e[1000002]; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,m; cin>>n>>m; for(int i = 0; i < m; i++){ cin>>x>>y>>z; if(z == 1) for(int j = x; j <= y; j++) e[j].yellow = 1; if(z == 2) for(int j = x; j <= y; j++) e[j].blue = 1; if(z == 3) for(int j = x; j <= y; j++) e[j].red = 1; } for(int i = 1; i <= n; i++){ if(e[i].blue == 1 && e[i].yellow == 1 && e[i].red == 0) wynik++; } cout<<wynik<<endl; return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | #include <bits/stdc++.h> using namespace std; int x,y,z,wynik; struct kolor{ bool red; bool blue; bool yellow; }e[1000002]; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,m; cin>>n>>m; for(int i = 0; i < m; i++){ cin>>x>>y>>z; if(z == 1) for(int j = x; j <= y; j++) e[j].yellow = 1; if(z == 2) for(int j = x; j <= y; j++) e[j].blue = 1; if(z == 3) for(int j = x; j <= y; j++) e[j].red = 1; } for(int i = 1; i <= n; i++){ if(e[i].blue == 1 && e[i].yellow == 1 && e[i].red == 0) wynik++; } cout<<wynik<<endl; return 0; } |