#include <iostream> int main() { int cansNum, operations, left, right; short color; std::cin >> cansNum >> operations; unsigned short cans[cansNum]; for (int i = 0; i < cansNum; i++) { cans[i] = 0; } for (int i = 0; i < operations; i++) { std::cin >> left >> right >> color; for (int j = left - 1; j < right; j++) { cans[j] = cans[j] | (1 << color - 1); } } int cansWithGreen = 0; for (int i = 0; i < cansNum; i++) { if (cans[i] == 3) { cansWithGreen++; } } std::cout << cansWithGreen; 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 | #include <iostream> int main() { int cansNum, operations, left, right; short color; std::cin >> cansNum >> operations; unsigned short cans[cansNum]; for (int i = 0; i < cansNum; i++) { cans[i] = 0; } for (int i = 0; i < operations; i++) { std::cin >> left >> right >> color; for (int j = left - 1; j < right; j++) { cans[j] = cans[j] | (1 << color - 1); } } int cansWithGreen = 0; for (int i = 0; i < cansNum; i++) { if (cans[i] == 3) { cansWithGreen++; } } std::cout << cansWithGreen; return 0; } |