Submission #904464
Source Code Expand
#define NDEBUG #undef __STRICT_ANSI__ #include <string> #include <cstdlib> #include <cstdio> #include <tuple> #include <algorithm> #include <functional> #include <cstring> #include <cmath> #include <cfloat> #include <cassert> using namespace std; #undef assert #define assert(e) #include <cstdarg> #include <sys/time.h> class XsRandom { unsigned long long a; unsigned long long b; public: inline XsRandom() : a(0x8a5cd789635d2dffULL), b(0x121fd2155c472f96ULL) { } inline XsRandom(const XsRandom & o) : a(o.a), b(o.b) { } inline unsigned long long next64() { unsigned long long c = a ^ (a<<23); a = b; b = c ^ a ^ (c>>18) ^ (a>>5); return b + a; } inline XsRandom(unsigned int seed) : a(0x8a5cd789635d2dffULL), b(0x121fd2155c472f96ULL) { seed = seed * 1234567891 + 521288629; unsigned long long a2 = a; unsigned long long b2 = b; while(seed) { next64(); if(seed & 1) { a2 ^= a; b2 ^= b; } seed >>= 1; } a = a2; b = b2; } }; typedef XsRandom MyRandom; MyRandom g_myRand; double g_startTime; double g_suspendTime = 0; const double g_timeupSecBase = 9.8; double g_timeupSec = g_timeupSecBase; #include <numeric> const char * nextCLineOrWord(int mode) { static char buf[565536]; static int bufLen = sizeof(buf); static int bufPos = sizeof(buf); static bool canReadFlag = true; static bool crFlag = false; static bool enterFlag = false; if(canReadFlag && (enterFlag ? bufLen<=bufPos : (int)sizeof(buf)<=bufPos+bufPos)) { if(0<bufLen-bufPos) { memmove(buf, buf+bufPos, bufLen-bufPos); bufLen -= bufPos; } else { bufLen = 0; } char * result = fgets(buf+bufLen, sizeof(buf)-bufLen, stdin); canReadFlag = (result!=NULL); if(result!=NULL) { int n = strlen(result); enterFlag = (n!=(int)sizeof(buf)-1-bufLen || (1<=bufLen+n && buf[bufLen+n-1]=='\n')); bufLen += n; } bufPos = 0; } if(mode==0) { int pos = bufPos; while(true) { char c = buf[pos]; if(c==32) { buf[pos++] = '\0'; break; } else if(c==10) { if(crFlag) { crFlag = false; if(bufPos==pos) { pos = ++bufPos; continue; } } buf[pos++] = '\0'; break; } else if(c==13) { crFlag = true; buf[pos++] = '\0'; break; } else if(c==0) { break; } ++pos; } const char * ret = buf + bufPos; bufPos = pos; while(true) { char c = buf[bufPos]; if(c==32 || c==10 || c==13) { ++bufPos; } else { break; } } return ret; } else if(mode==1) { int pos = bufPos; while(true) { char c = buf[pos]; if(c==10) { if(crFlag) { crFlag = false; if(bufPos==pos) { pos = ++bufPos; continue; } } buf[pos++] = '\0'; break; } else if(c==13) { crFlag = true; buf[pos++] = '\0'; break; } else if(c==0) { break; } ++pos; } const char * ret = buf + bufPos; bufPos = pos; if(crFlag) { while(true) { char c = buf[bufPos]; if(c==13) { ++bufPos; crFlag = false; break; } else { break; } } } return ret; } else if(mode==2) { return bufLen<=bufPos ? NULL : buf+bufPos; } assert(false); return NULL; } const char * nextCWord() { return nextCLineOrWord(0); } string nextWord() { return nextCWord(); } void echoln() { fputc('\n', stdout); } void echoln(const char * fmt, ...) { va_list arg; va_start(arg, fmt); vprintf(fmt, arg); va_end(arg); fputc('\n', stdout); } int main() { string S = nextWord(); int a = 0; int b = 0; for(char c : S) { if(c=='T') { if(a) { --a; } else { ++b; } } else { ++a; } } echoln("%d", a+b); return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - STring |
User | colun |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 3899 Byte |
Status | AC |
Exec Time | 223 ms |
Memory | 1148 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 100 / 100 | ||||||
Status |
|
|
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Set Name | Test Cases |
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Sample | example0, example1, example2 |
Subtask1 | example0, example1, example2, sub_corner0, sub_corner1, sub_corner2, sub_rand0, handmade0, handmade1 |
All | corner0, corner1, corner2, example0, example1, example2, handmade0, handmade1, maxrand0, sub_corner0, sub_corner1, sub_corner2, sub_rand0 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
corner0 | AC | 223 ms | 1148 KB |
corner1 | AC | 3 ms | 640 KB |
corner2 | AC | 3 ms | 640 KB |
example0 | AC | 2 ms | 256 KB |
example1 | AC | 2 ms | 256 KB |
example2 | AC | 2 ms | 256 KB |
handmade0 | AC | 2 ms | 256 KB |
handmade1 | AC | 2 ms | 256 KB |
maxrand0 | AC | 4 ms | 640 KB |
sub_corner0 | AC | 2 ms | 256 KB |
sub_corner1 | AC | 2 ms | 256 KB |
sub_corner2 | AC | 2 ms | 256 KB |
sub_rand0 | AC | 2 ms | 256 KB |